CVE-2021-25977 - Vulnerability Details - OpenCVE

In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00319.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Dotnetfoundation	Piranha Cms

Configuration 1 [-]

cpe:2.3:a:dotnetfoundation:piranha_cms:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-2218	In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.
Github GHSA	GHSA-jvjp-vh27-r9h5	Cross-site Scripting in PiranhaCMS

Fixes

Solution

Update to 9.2.0

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977

History

Wed, 30 Apr 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Mend

Published: 2021-10-25T13:10:10.000Z

Updated: 2025-04-30T15:52:58.659Z

Reserved: 2021-01-22T00:00:00.000Z

Link: CVE-2021-25977

Vulnrichment

Updated: 2024-08-03T20:19:19.780Z

NVD

Status : Modified

Published: 2021-10-25T13:15:07.800

Modified: 2024-11-21T05:55:43.080

Link: CVE-2021-25977

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "Piranha", "vendor": "PiranhaCMS", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "7.0.0", "versionType": "custom"}, {"lessThanOrEqual": "9.1.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-25T13:10:10.000Z", "orgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "shortName": "Mend"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7"}, {"tags": ["x_refsource_MISC"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977"}], "solutions": [{"lang": "en", "value": "Update to 9.2.0"}], "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/", "discovery": "UNKNOWN"}, "title": "Piranha CMS - Stored XSS in Page Title", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnerabilitylab@whitesourcesoftware.com", "ID": "CVE-2021-25977", "STATE": "PUBLIC", "TITLE": "Piranha CMS - Stored XSS in Page Title"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Piranha", "version": {"version_data": [{"version_affected": ">=", "version_value": "7.0.0"}, {"version_affected": "<=", "version_value": "9.1.1"}]}}]}, "vendor_name": "PiranhaCMS"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7", "refsource": "MISC", "url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7"}, {"name": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977", "refsource": "MISC", "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977"}]}, "solution": [{"lang": "en", "value": "Update to 9.2.0"}], "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:19.780Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-30T15:49:30.752265Z", "id": "CVE-2021-25977", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-30T15:52:58.659Z"}}]}, "cveMetadata": {"assignerOrgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "assignerShortName": "Mend", "cveId": "CVE-2021-25977", "datePublished": "2021-10-25T13:10:10.000Z", "dateReserved": "2021-01-22T00:00:00.000Z", "dateUpdated": "2025-04-30T15:52:58.659Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:19.780Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-25977", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-30T15:49:30.752265Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-30T15:51:31.353Z"}}], "cna": {"title": "Piranha CMS - Stored XSS in Page Title", "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "PiranhaCMS", "product": "Piranha", "versions": [{"status": "affected", "version": "7.0.0", "lessThan": "unspecified", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "9.1.1"}]}], "solutions": [{"lang": "en", "value": "Update to 9.2.0"}], "references": [{"url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7", "tags": ["x_refsource_MISC"]}, {"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977", "tags": ["x_refsource_MISC"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)"}]}], "providerMetadata": {"orgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "shortName": "Mend", "dateUpdated": "2021-10-25T13:10:10.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/", "discovery": "UNKNOWN"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "7.0.0", "version_affected": ">="}, {"version_value": "9.1.1", "version_affected": "<="}]}, "product_name": "Piranha"}]}, "vendor_name": "PiranhaCMS"}]}}, "solution": [{"lang": "en", "value": "Update to 9.2.0"}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7", "name": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7", "refsource": "MISC"}, {"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977", "name": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-25977", "STATE": "PUBLIC", "TITLE": "Piranha CMS - Stored XSS in Page Title", "ASSIGNER": "vulnerabilitylab@whitesourcesoftware.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-25977", "state": "PUBLISHED", "dateUpdated": "2025-04-30T15:52:58.659Z", "dateReserved": "2021-01-22T00:00:00.000Z", "assignerOrgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "datePublished": "2021-10-25T13:10:10.000Z", "assignerShortName": "Mend"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dotnetfoundation:piranha_cms:*:*:*:*:*:*:*:*", "matchCriteriaId": "38B65D0E-34BF-4714-A36B-90EC950A594B", "versionEndIncluding": "9.1.1", "versionStartIncluding": "7.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution."}, {"lang": "es", "value": "En PiranhaCMS, versiones 7.0.0 a 9.1.1, son vulnerables a un ataque de tipo XSS almacenado debido a que el t\u00edtulo de la p\u00e1gina est\u00e1 saneado inapropiadamente. Al crear una p\u00e1gina con un t\u00edtulo de p\u00e1gina especialmente dise\u00f1ado, un usuario con pocos privilegios puede desencadenar una ejecuci\u00f3n arbitraria de JavaScript"}], "id": "CVE-2021-25977", "lastModified": "2024-11-21T05:55:43.080", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "vulnerabilitylab@mend.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-25T13:15:07.800", "references": [{"source": "vulnerabilitylab@mend.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7"}, {"source": "vulnerabilitylab@mend.io", "tags": ["Third Party Advisory"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977"}], "sourceIdentifier": "vulnerabilitylab@mend.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "vulnerabilitylab@mend.io", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}