CVE-2021-36849 - Vulnerability Details - OpenCVE

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0073.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Social Media Share Buttons Project	Social Media Share Buttons

Configuration 1 [-]

cpe:2.3:a:social_media_share_buttons_project:social_media_share_buttons:*:*:*:*:*:wordpress:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-23425	Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability
https://wordpress.org/plugins/mashsharer/#developers

History

Thu, 20 Feb 2025 21:15:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2022-07-20T18:35:29.806Z

Updated: 2025-02-20T20:17:52.733Z

Reserved: 2021-07-19T00:00:00.000Z

Link: CVE-2021-36849

Vulnrichment

Updated: 2024-08-04T01:01:59.672Z

NVD

Status : Modified

Published: 2022-07-20T19:15:08.263

Modified: 2024-11-21T06:14:11.523

Link: CVE-2021-36849

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "Social Media Share Buttons | MashShare (WordPress plugin)", "vendor": "Ren\u00e9 Hermenau", "versions": [{"lessThanOrEqual": "3.8.1", "status": "affected", "version": "<= 3.8.1", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Vulnerability discovered by Asif Nawaz Minhas (Patchstack Alliance)"}], "datePublic": "2022-06-16T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Ren\u00e9 Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/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": "2022-07-20T18:35:29.000Z", "orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://wordpress.org/plugins/mashsharer/#developers"}], "source": {"discovery": "EXTERNAL"}, "title": "WordPress Social Media Share Buttons plugin <= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "audit@patchstack.com", "DATE_PUBLIC": "2022-06-16T15:39:00.000Z", "ID": "CVE-2021-36849", "STATE": "PUBLIC", "TITLE": "WordPress Social Media Share Buttons plugin <= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Social Media Share Buttons | MashShare (WordPress plugin)", "version": {"version_data": [{"version_affected": "<=", "version_name": "<= 3.8.1", "version_value": "3.8.1"}]}}]}, "vendor_name": "Ren\u00e9 Hermenau"}]}}, "credit": [{"lang": "eng", "value": "Vulnerability discovered by Asif Nawaz Minhas (Patchstack Alliance)"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Ren\u00e9 Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/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://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability", "refsource": "CONFIRM", "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"}, {"name": "https://wordpress.org/plugins/mashsharer/#developers", "refsource": "CONFIRM", "url": "https://wordpress.org/plugins/mashsharer/#developers"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:01:59.672Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://wordpress.org/plugins/mashsharer/#developers"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-20T19:28:34.646853Z", "id": "CVE-2021-36849", "options": [{"Exploitation": "none"}, {"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": "2025-02-20T20:17:52.733Z"}}]}, "cveMetadata": {"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "assignerShortName": "Patchstack", "cveId": "CVE-2021-36849", "datePublished": "2022-07-20T18:35:29.806Z", "dateReserved": "2021-07-19T00:00:00.000Z", "dateUpdated": "2025-02-20T20:17:52.733Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability", "tags": ["x_refsource_CONFIRM", "x_transferred"]}, {"url": "https://wordpress.org/plugins/mashsharer/#developers", "tags": ["x_refsource_CONFIRM", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:01:59.672Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-36849", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-02-20T19:28:34.646853Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-20T19:28:36.334Z"}}], "cna": {"title": "WordPress Social Media Share Buttons plugin <= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "value": "Vulnerability discovered by Asif Nawaz Minhas (Patchstack Alliance)"}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.4, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Ren\u00e9 Hermenau", "product": "Social Media Share Buttons | MashShare (WordPress plugin)", "versions": [{"status": "affected", "version": "<= 3.8.1", "versionType": "custom", "lessThanOrEqual": "3.8.1"}]}], "datePublic": "2022-06-16T00:00:00.000Z", "references": [{"url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://wordpress.org/plugins/mashsharer/#developers", "tags": ["x_refsource_CONFIRM"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Ren\u00e9 Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2022-07-20T18:35:29.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "Vulnerability discovered by Asif Nawaz Minhas (Patchstack Alliance)"}], "impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.4, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}}, "source": {"discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_name": "<= 3.8.1", "version_value": "3.8.1", "version_affected": "<="}]}, "product_name": "Social Media Share Buttons | MashShare (WordPress plugin)"}]}, "vendor_name": "Ren\u00e9 Hermenau"}]}}, "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability", "name": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability", "refsource": "CONFIRM"}, {"url": "https://wordpress.org/plugins/mashsharer/#developers", "name": "https://wordpress.org/plugins/mashsharer/#developers", "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Ren\u00e9 Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-36849", "STATE": "PUBLIC", "TITLE": "WordPress Social Media Share Buttons plugin <= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability", "ASSIGNER": "audit@patchstack.com", "DATE_PUBLIC": "2022-06-16T15:39:00.000Z"}}}}, "cveMetadata": {"cveId": "CVE-2021-36849", "state": "PUBLISHED", "dateUpdated": "2025-02-20T20:17:52.733Z", "dateReserved": "2021-07-19T00:00:00.000Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2022-07-20T18:35:29.806Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:social_media_share_buttons_project:social_media_share_buttons:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "C8042A34-2849-4C9D-BBE2-23233F4AAF65", "versionEndIncluding": "3.8.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Ren\u00e9 Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress."}, {"lang": "es", "value": "Una vulnerabilidad de tipo Cross-Site Scripting (XSS) Autenticado (admin+) Almacenado en el plugin Social Media Share Buttons de Ren\u00e9 Hermenau versiones anteriores a 3.8.1 incluy\u00e9ndola en WordPress"}], "id": "CVE-2021-36849", "lastModified": "2024-11-21T06:14:11.523", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 1.4, "source": "audit@patchstack.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-07-20T19:15:08.263", "references": [{"source": "audit@patchstack.com", "tags": ["Third Party Advisory"], "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"}, {"source": "audit@patchstack.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://wordpress.org/plugins/mashsharer/#developers"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://wordpress.org/plugins/mashsharer/#developers"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "audit@patchstack.com", "type": "Secondary"}]}