{ "containers": { "cna": { "affected": [ { "product": "wordpress-develop", "vendor": "WordPress", "versions": [ { "status": "affected", "version": ">= 5.0, < 5.8.0" } ] } ], "descriptions": [ { "lang": "en", "value": "WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. ### Impact The issue allows an authenticated but low-privileged user (like contributor/author) to execute XSS in the editor. This bypasses the restrictions imposed on users who do not have the permission to post `unfiltered_html`. ### Patches This has been patched in WordPress 5.8, and will be pushed to older versions via minor releases (automatic updates). It's strongly recommended that you keep auto-updates enabled to receive the fix. ### References https://wordpress.org/news/category/releases/ https://hackerone.com/reports/1142140 ### For more information If you have any questions or comments about this advisory: * Open an issue in [HackerOne](https://hackerone.com/wordpress)" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-14T22:06:07.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://hackerone.com/reports/1142140" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-wh69-25hr-h94v" }, { "name": "DSA-4985", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2021/dsa-4985" } ], "source": { "advisory": "GHSA-wh69-25hr-h94v", "discovery": "UNKNOWN" }, "title": "Authenticated cross-site scripting (XSS) in WordPress editor", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-39201", "STATE": "PUBLIC", "TITLE": "Authenticated cross-site scripting (XSS) in WordPress editor" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "wordpress-develop", "version": { "version_data": [ { "version_value": ">= 5.0, < 5.8.0" } ] } } ] }, "vendor_name": "WordPress" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. ### Impact The issue allows an authenticated but low-privileged user (like contributor/author) to execute XSS in the editor. This bypasses the restrictions imposed on users who do not have the permission to post `unfiltered_html`. ### Patches This has been patched in WordPress 5.8, and will be pushed to older versions via minor releases (automatic updates). It's strongly recommended that you keep auto-updates enabled to receive the fix. ### References https://wordpress.org/news/category/releases/ https://hackerone.com/reports/1142140 ### For more information If you have any questions or comments about this advisory: * Open an issue in [HackerOne](https://hackerone.com/wordpress)" } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" } ] } ] }, "references": { "reference_data": [ { "name": "https://hackerone.com/reports/1142140", "refsource": "MISC", "url": "https://hackerone.com/reports/1142140" }, { "name": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-wh69-25hr-h94v", "refsource": "CONFIRM", "url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-wh69-25hr-h94v" }, { "name": "DSA-4985", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4985" } ] }, "source": { "advisory": "GHSA-wh69-25hr-h94v", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:58:18.168Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://hackerone.com/reports/1142140" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-wh69-25hr-h94v" }, { "name": "DSA-4985", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2021/dsa-4985" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-39201", "datePublished": "2021-09-09T21:35:08.000Z", "dateReserved": "2021-08-16T00:00:00.000Z", "dateUpdated": "2024-08-04T01:58:18.168Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }