{"id":"CVE-2023-2433","aliases":["EUVD-2023-33918","GHSA-7vgv-q3q2-pq8f"],"status":"published","title":"YARPP – Yet Another Related Posts Plugin \u003c= 5.30.3 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className' parameter in versions up to, and including, 5.30.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","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":"2026-11-09","score":0.0051,"percentile":0.43797,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-07-18T08:37:09Z","modified":"2026-06-17T05:52:34Z","products":[{"vendor":"jeffparker","product":"yarpp – yet another related posts plugin"},{"vendor":"yarpp","product":"yet_another_related_posts_plugin"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/35bd7462-8dab-43b2-9941-fef6f826cfdc?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/yet-another-related-posts-plugin/tags/5.30.3/classes/YARPP_Core.php#L1623","tags":["x_transferred","Patch"]},{"url":"https://plugins.trac.wordpress.org/changeset/2939617/yet-another-related-posts-plugin/trunk/classes/YARPP_Core.php","tags":["x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2433"},{"url":"https://github.com/advisories/GHSA-7vgv-q3q2-pq8f"}],"sources":{"cve":[{"id":"CVE-2023-2433","title":"YARPP – Yet Another Related Posts Plugin \u003c= 5.30.3 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className' parameter in versions up to, and including, 5.30.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-07-18T08:37:09.177Z","modified":"2026-04-08T16:46:02.192Z","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":"2026-11-02T14:35:24.004321Z"}],"euvd":[{"id":"EUVD-2023-33918","description":"The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className' parameter in versions up to, and including, 5.30.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-07-18T08:37:09Z","modified":"2026-04-08T16:46:02Z","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":"2026-11-02T19:25:03.268135Z"}],"ghsa":[{"id":"GHSA-7vgv-q3q2-pq8f","title":"The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className'...","description":"The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className' parameter in versions up to, and including, 5.30.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-07-18T09:30:47Z","modified":"2024-04-04T06:12:37Z","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":"2026-11-02T14:56:40.370348Z"}],"nvd":[{"id":"CVE-2023-2433","description":"The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className' parameter in versions up to, and including, 5.30.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-07-18T09:15:11.067Z","modified":"2026-06-17T05:52:34.727Z","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"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:17.044696Z"}]}}