{"id":"CVE-2026-0916","state":"PUBLISHED","title":"Related Posts by Taxonomy <= 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.","publishedAt":"2026-01-16T06:43:19.795Z","updatedAt":"2026-04-08T16:33:23.501Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["keesiemeijer Related Posts by Taxonomy"],"affected":[{"vendor":"keesiemeijer","product":"Related Posts by Taxonomy","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.7.6","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/0582fe7d-884c-4019-837a-861d36ccc842?source=cve","https://plugins.trac.wordpress.org/browser/related-posts-by-taxonomy/tags/2.7.6/includes/functions.php#L259","https://plugins.trac.wordpress.org/browser/related-posts-by-taxonomy/tags/2.7.7/includes/functions.php#L259"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0916.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0916","state":"PUBLISHED","datePublished":"2026-01-16T06:43:19.795Z","dateUpdated":"2026-04-08T16:33:23.501Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-01-13T19:07:53.495Z"},"containers":{"cna":{"title":"Related Posts by Taxonomy <= 2.7.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'related_posts_by_tax' Shortcode","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"keesiemeijer","product":"Related Posts by Taxonomy","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.7.6","versionType":"semver"}]}],"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"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T16:33:23.501Z"},"credits":[{"lang":"en","type":"finder","value":"Muhammad Yudha - DJ"}],"timeline":[{"time":"2026-01-15T18:31:50.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-16T13:59:22.531374Z","id":"CVE-2026-0916","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-16T13:59:41.136Z"}}]}}}