CVE-2021-43353 - Vulnerability Details - OpenCVE

The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00092.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Crisp	Crisp

Configuration 1 [-]

cpe:2.3:a:crisp:crisp:*:*:*:*:*:wordpress:*:*

No data.

No data.

Fixes

Solution

Update to version 0.32 or newer.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353

History

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00087}`	epss `{'score': 0.00092}`

Fri, 14 Feb 2025 16:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Crisp crisp
CPEs	cpe:2.3:a:crisp:live_chat::::::wordpress::*	cpe:2.3:a:crisp:crisp::::::wordpress::*
Vendors & Products	Crisp live Chat	Crisp crisp

Fri, 31 Jan 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2022-01-18T16:52:24.000Z

Updated: 2025-01-31T18:56:22.096Z

Reserved: 2021-12-03T00:00:00.000Z

Link: CVE-2021-43353

Vulnrichment

Updated: 2024-08-04T03:55:28.446Z

NVD

Status : Modified

Published: 2022-01-18T17:15:09.180

Modified: 2025-02-14T16:07:28.230

Link: CVE-2021-43353

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "Crisp Live Chat", "vendor": "Crisp Live Chat", "versions": [{"lessThanOrEqual": "0.31", "status": "affected", "version": "0.31", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Jos\u00e9 Aguilera"}], "descriptions": [{"lang": "en", "value": "The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "description": "CWE-352 Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-18T16:52:24.000Z", "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353"}, {"tags": ["x_refsource_MISC"], "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail="}], "solutions": [{"lang": "en", "value": "Update to version 0.32 or newer. "}], "source": {"discovery": "EXTERNAL"}, "title": "Crisp Live Chat <= 0.31 Cross-Site Request Forgery to Stored Cross-Site Scripting", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "Wordfence", "ASSIGNER": "security@wordfence.com", "ID": "CVE-2021-43353", "STATE": "PUBLIC", "TITLE": "Crisp Live Chat <= 0.31 Cross-Site Request Forgery to Stored Cross-Site Scripting"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Crisp Live Chat", "version": {"version_data": [{"version_affected": "<=", "version_name": "0.31", "version_value": "0.31"}]}}]}, "vendor_name": "Crisp Live Chat"}]}}, "credit": [{"lang": "eng", "value": "Jos\u00e9 Aguilera"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-352 Cross-Site Request Forgery (CSRF)"}]}]}, "references": {"reference_data": [{"name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353", "refsource": "MISC", "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353"}, {"name": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=", "refsource": "MISC", "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail="}]}, "solution": [{"lang": "en", "value": "Update to version 0.32 or newer. "}], "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:55:28.446Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail="}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-01-31T18:56:17.435869Z", "id": "CVE-2021-43353", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-31T18:56:22.096Z"}}]}, "cveMetadata": {"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "assignerShortName": "Wordfence", "cveId": "CVE-2021-43353", "datePublished": "2022-01-18T16:52:24.000Z", "dateReserved": "2021-12-03T00:00:00.000Z", "dateUpdated": "2025-01-31T18:56:22.096Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:55:28.446Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-43353", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-01-31T18:56:17.435869Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-31T18:56:12.229Z"}}], "cna": {"title": "Crisp Live Chat <= 0.31 Cross-Site Request Forgery to Stored Cross-Site Scripting", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "value": "Jos\u00e9 Aguilera"}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Crisp Live Chat", "product": "Crisp Live Chat", "versions": [{"status": "affected", "version": "0.31", "versionType": "custom", "lessThanOrEqual": "0.31"}]}], "solutions": [{"lang": "en", "value": "Update to version 0.32 or newer. "}], "references": [{"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353", "tags": ["x_refsource_MISC"]}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=", "tags": ["x_refsource_MISC"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-352", "description": "CWE-352 Cross-Site Request Forgery (CSRF)"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2022-01-18T16:52:24.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "Jos\u00e9 Aguilera"}], "impact": {"cvss": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, "source": {"discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_name": "0.31", "version_value": "0.31", "version_affected": "<="}]}, "product_name": "Crisp Live Chat"}]}, "vendor_name": "Crisp Live Chat"}]}}, "solution": [{"lang": "en", "value": "Update to version 0.32 or newer. "}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353", "name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353", "refsource": "MISC"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=", "name": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-352 Cross-Site Request Forgery (CSRF)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-43353", "AKA": "Wordfence", "STATE": "PUBLIC", "TITLE": "Crisp Live Chat <= 0.31 Cross-Site Request Forgery to Stored Cross-Site Scripting", "ASSIGNER": "security@wordfence.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-43353", "state": "PUBLISHED", "dateUpdated": "2025-01-31T18:56:22.096Z", "dateReserved": "2021-12-03T00:00:00.000Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2022-01-18T16:52:24.000Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:crisp:crisp:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "D2E61F07-7A14-4462-976E-4DFB13B65E7E", "versionEndExcluding": "0.32", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31."}, {"lang": "es", "value": "El plugin Crisp Live Chat de WordPress es vulnerable a un ataque de tipo Cross-Site Request Forgery debido a la falta de comprobaci\u00f3n de nonce por medio de la funci\u00f3n crisp_plugin_settings_page que es encontrada en el archivo ~/crisp.php, lo que permite a atacantes inyectar scripts web arbitrarios en las versiones hasta 0.31 incluy\u00e9ndola"}], "id": "CVE-2021-43353", "lastModified": "2025-02-14T16:07:28.230", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-18T17:15:09.180", "references": [{"source": "security@wordfence.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail="}, {"source": "security@wordfence.com", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail="}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security@wordfence.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-352"}], "source": "nvd@nist.gov", "type": "Primary"}]}