{"id":"CVE-2025-11828","aliases":["EUVD-2025-60943","GHSA-4q5h-9535-gvr5"],"status":"published","title":"Magazine Companion \u003c= 1.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Magazine Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headerHtmlTag' attribute in the bnm-blocks/featured-posts-1 block in all versions up to, and including, 1.2.3. This is due to insufficient input sanitization and output escaping when using user-supplied values as HTML tag names. 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":0.00239,"percentile":0.15115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-11-11T03:30:44Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"pubudu-malalasekara","product":"post blocks \u0026 tools"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8fa2e98b-5054-46fd-b22e-eac59b581a3c?source=cve"},{"url":"https://wordpress.org/plugins/bnm-blocks"},{"url":"https://plugins.trac.wordpress.org/browser/bnm-blocks/tags/1.2.3/src/blocks/posts/featured-posts-1/view.php#L34"},{"url":"https://plugins.trac.wordpress.org/changeset/3392064/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11828"},{"url":"https://plugins.trac.wordpress.org/changeset/3392064"},{"url":"https://github.com/advisories/GHSA-4q5h-9535-gvr5"}],"sources":{"cve":[{"id":"CVE-2025-11828","title":"Magazine Companion \u003c= 1.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Magazine Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headerHtmlTag' attribute in the bnm-blocks/featured-posts-1 block in all versions up to, and including, 1.2.3. This is due to insufficient input sanitization and output escaping when using user-supplied values as HTML tag names. 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":"2025-11-11T03:30:44.964Z","modified":"2026-04-08T17:06:37.008Z","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":"2026-11-02T14:32:50.872559Z"}],"euvd":[{"id":"EUVD-2025-60943","description":"The Magazine Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headerHtmlTag' attribute in the bnm-blocks/featured-posts-1 block in all versions up to, and including, 1.2.3. This is due to insufficient input sanitization and output escaping when using user-supplied values as HTML tag names. 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":"2025-11-11T03:30:44Z","modified":"2026-04-08T17:06:37Z","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"}],"updated_at":"2026-11-02T19:24:49.380512Z"}],"ghsa":[{"id":"GHSA-4q5h-9535-gvr5","title":"The Magazine Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...","description":"The Magazine Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headerHtmlTag' attribute in the bnm-blocks/featured-posts-1 block in all versions up to, and including, 1.2.3. This is due to insufficient input sanitization and output escaping when using user-supplied values as HTML tag names. 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":"2025-11-11T06:30:20Z","modified":"2026-04-08T18:33:58Z","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":"2026-11-02T15:07:16.301048Z"}],"nvd":[{"id":"CVE-2025-11828","description":"The Magazine Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headerHtmlTag' attribute in the bnm-blocks/featured-posts-1 block in all versions up to, and including, 1.2.3. This is due to insufficient input sanitization and output escaping when using user-supplied values as HTML tag names. 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":"2025-11-11T04:15:42.603Z","modified":"2026-10-18T21:10:00.12Z","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":"2026-11-02T14:11:42.870953Z"}]}}