{"id":"CVE-2026-0916","aliases":["EUVD-2026-2955","GHSA-rmqp-hhcc-3f7m"],"status":"published","title":"Related Posts by Taxonomy \u003c= 2.7.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'related_posts_by_tax' Shortcode","description":"The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","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":"2026-11-11","score":0.00252,"percentile":0.16834,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-16T06:43:19Z","modified":"2026-06-17T10:11:37Z","products":[{"vendor":"keesiemeijer","product":"related posts by taxonomy"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/0582fe7d-884c-4019-837a-861d36ccc842?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/related-posts-by-taxonomy/tags/2.7.6/includes/functions.php#L259"},{"url":"https://plugins.trac.wordpress.org/browser/related-posts-by-taxonomy/tags/2.7.7/includes/functions.php#L259"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0916"},{"url":"https://github.com/advisories/GHSA-rmqp-hhcc-3f7m"}],"sources":{"cve":[{"id":"CVE-2026-0916","title":"Related Posts by Taxonomy \u003c= 2.7.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'related_posts_by_tax' Shortcode","description":"The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","status":"published","published":"2026-01-16T06:43:19.795Z","modified":"2026-04-08T16:33:23.501Z","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":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-2955","description":"The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","status":"published","published":"2026-01-16T06:43:19Z","modified":"2026-04-08T16:33:23Z","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":"2026-11-02T19:25:11.239745Z"}],"ghsa":[{"id":"GHSA-rmqp-hhcc-3f7m","title":"The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","status":"published","published":"2026-01-16T09:31:21Z","modified":"2026-04-08T18:35:52Z","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":"2026-11-02T15:07:18.583007Z"}],"nvd":[{"id":"CVE-2026-0916","description":"The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","status":"published","published":"2026-01-16T07:15:56.667Z","modified":"2026-06-17T10:11:37.667Z","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":"2026-11-02T14:12:04.066712Z"}]}}