{"id":"CVE-2026-75016","aliases":["EUVD-2026-82744","GHSA-3rwr-qrj8-m997"],"status":"published","title":"Magazine Blocks \u003c= 1.8.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'clientId' Block Attribute","description":"The Magazine Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the News Ticker block's clientId attribute in versions up to, and including, 1.8.6. This is due to insufficient input sanitization and output escaping in the NewsTicker::render() method, which concatenates the clientId block attribute into an HTML class attribute without applying esc_attr(). 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":"2026-11-09","score":0.00349,"percentile":0.28748,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-18T06:38:52Z","modified":"2026-09-18T13:23:37Z","products":[{"vendor":"wpblockart","product":"magazine blocks – blog designer, magazine \u0026 newspaper website builder, page builder with posts blocks, post grid"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/34e0862d-55d3-4bc7-ba26-309ef1567e2b?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/magazine-blocks/tags/1.8.5/includes/BlockTypes/NewsTicker.php#L43"},{"url":"https://plugins.trac.wordpress.org/browser/magazine-blocks/tags/1.8.6/includes/BlockTypes/NewsTicker.php#L43"},{"url":"https://plugins.trac.wordpress.org/browser/magazine-blocks/tags/1.8.6/includes/BlockTypes/NewsTicker.php#L106"},{"url":"https://plugins.trac.wordpress.org/browser/magazine-blocks/tags/1.8.5/includes/BlockTypes/NewsTicker.php#L106"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3656574%40magazine-blocks\u0026new=3656574%40magazine-blocks"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75016"},{"url":"https://github.com/advisories/GHSA-3rwr-qrj8-m997"}],"sources":{"cve":[{"id":"CVE-2026-75016","title":"Magazine Blocks \u003c= 1.8.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'clientId' Block Attribute","description":"The Magazine Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the News Ticker block's clientId attribute in versions up to, and including, 1.8.6. This is due to insufficient input sanitization and output escaping in the NewsTicker::render() method, which concatenates the clientId block attribute into an HTML class attribute without applying esc_attr(). 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":"2026-09-18T06:38:52.584Z","modified":"2026-09-18T12:38:16.427Z","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":"2026-11-02T14:20:07.260654Z"}],"euvd":[{"id":"EUVD-2026-82744","description":"The Magazine Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the News Ticker block's clientId attribute in versions up to, and including, 1.8.6. This is due to insufficient input sanitization and output escaping in the NewsTicker::render() method, which concatenates the clientId block attribute into an HTML class attribute without applying esc_attr(). 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":"2026-09-18T06:38:52Z","modified":"2026-09-18T12:38:16Z","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":"2026-11-02T17:28:08.898956Z"}],"ghsa":[{"id":"GHSA-3rwr-qrj8-m997","title":"The Magazine Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the...","description":"The Magazine Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the News Ticker block's clientId attribute in versions up to, and including, 1.8.6. This is due to insufficient input sanitization and output escaping in the NewsTicker::render() method, which concatenates the clientId block attribute into an HTML class attribute without applying esc_attr(). 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":"2026-09-18T09:31:06Z","modified":"2026-09-18T09:31:14Z","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":"2026-11-02T15:12:09.483713Z"}],"nvd":[{"id":"CVE-2026-75016","description":"The Magazine Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the News Ticker block's clientId attribute in versions up to, and including, 1.8.6. This is due to insufficient input sanitization and output escaping in the NewsTicker::render() method, which concatenates the clientId block attribute into an HTML class attribute without applying esc_attr(). 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":"2026-09-18T07:16:49.957Z","modified":"2026-09-18T13:23:37.403Z","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":"2026-11-02T14:12:49.70655Z"}]}}