{"id":"CVE-2026-120573","aliases":["EUVD-2026-124990","GHSA-p39p-8qwv-fvvj"],"status":"published","title":"WPeMatico RSS Feed Fetcher \u003c= 2.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_category' Parameter","description":"The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_category' parameter in all versions up to, and including, 2.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is persisted in post meta as campaign_data, bypassing wp_kses sanitization, and executes in the browser session of any user with edit_posts — including Administrators — who opens the WPeMatico campaigns list screen.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00333,"percentile":0.26892,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-11-13T09:35:15Z","modified":"2026-11-13T12:31:17Z","products":[{"vendor":"etruel","product":"wpematico rss feed fetcher"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d93d4360-b66c-499a-838c-e8eea36bd364?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wpematico/tags/2.9.1/includes/campaigns_list.php#L820"},{"url":"https://plugins.trac.wordpress.org/browser/wpematico/tags/2.9.1/includes/wpematico_functions.php#L1106"},{"url":"https://plugins.trac.wordpress.org/browser/wpematico/tags/2.9.1/includes/campaign_edit.php#L540"},{"url":"https://github.com/etruel/wpematico/tree/2.9.2"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120573"},{"url":"https://github.com/advisories/GHSA-p39p-8qwv-fvvj"}],"sources":{"cve":[{"id":"CVE-2026-120573","title":"WPeMatico RSS Feed Fetcher \u003c= 2.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_category' Parameter","description":"The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_category' parameter in all versions up to, and including, 2.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is persisted in post meta as campaign_data, bypassing wp_kses sanitization, and executes in the browser session of any user with edit_posts — including Administrators — who opens the WPeMatico campaigns list screen.","status":"published","published":"2026-11-13T09:35:15.899Z","modified":"2026-11-13T19:29:28.348Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-13T10:27:12.184616Z"}],"euvd":[{"id":"EUVD-2026-124990","description":"The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_category' parameter in all versions up to, and including, 2.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is persisted in post meta as campaign_data, bypassing wp_kses sanitization, and executes in the browser session of any user with edit_posts — including Administrators — who opens the WPeMatico campaigns list screen.","status":"published","published":"2026-11-13T09:35:15Z","modified":"2026-11-13T19:29:28Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-13T14:38:52.129855Z"}],"ghsa":[{"id":"GHSA-p39p-8qwv-fvvj","title":"The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_category' parameter in all versions up to, and including, 2.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is persisted in post meta as campaign_data, bypassing wp_kses sanitization, and executes in the browser session of any user with edit_posts — including Administrators — who opens the WPeMatico campaigns list screen.","status":"published","published":"2026-11-13T12:31:12Z","modified":"2026-11-13T12:31:17Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-13T12:50:12.078093Z"}],"nvd":[{"id":"CVE-2026-120573","description":"The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_category' parameter in all versions up to, and including, 2.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is persisted in post meta as campaign_data, bypassing wp_kses sanitization, and executes in the browser session of any user with edit_posts — including Administrators — who opens the WPeMatico campaigns list screen.","status":"published","published":"2026-11-13T10:17:26.817Z","modified":"2026-11-13T20:17:59.093Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-13T21:37:35.339654Z"}]}}