{"id":"CVE-2025-12475","aliases":["EUVD-2025-36897","GHSA-c6m9-cmc6-g435"],"status":"published","title":"Blocksy Companion \u003c= 2.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 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":"2026-11-09","score":0.00201,"percentile":0.09973,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-30T04:26:01Z","modified":"2026-10-08T10:10:00Z","products":[{"vendor":"creativethemeshq","product":"blocksy companion"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/dd13eb67-3bd5-41c4-a47f-5f55656ea5b9?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3371878/blocksy-companion/trunk/framework/extensions/newsletter-subscribe/helpers.php"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12475"},{"url":"https://github.com/advisories/GHSA-c6m9-cmc6-g435"}],"sources":{"cve":[{"id":"CVE-2025-12475","title":"Blocksy Companion \u003c= 2.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 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":"2025-10-30T04:26:01.452Z","modified":"2026-04-08T17:27:57.538Z","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":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-36897","description":"The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 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":"2025-10-30T04:26:01Z","modified":"2026-04-08T17:27:57Z","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":"2026-11-02T19:24:37.353503Z"}],"ghsa":[{"id":"GHSA-c6m9-cmc6-g435","title":"The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the...","description":"The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 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":"2025-10-30T06:30:53Z","modified":"2025-10-30T06:30:59Z","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":"2026-11-02T15:04:15.305123Z"}],"nvd":[{"id":"CVE-2025-12475","description":"The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 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":"2025-10-30T05:15:37.967Z","modified":"2026-10-08T10:10:00.227Z","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":"2026-11-02T14:11:41.607433Z"}]}}