{"id":"CVE-2025-12475","title":"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 out…","summary":"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 out…","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2025-10-30","updated":"2026-10-08","sourceUpdated":"2026-10-08T10:10:00.227","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-12475","references":[{"url":"https://plugins.trac.wordpress.org/changeset/3371878/blocksy-companion/trunk/framework/extensions/newsletter-subscribe/helpers.php","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/dd13eb67-3bd5-41c4-a47f-5f55656ea5b9?source=cve","label":"security@wordfence.com"}],"tags":["nvd"],"epss":0.00201,"epssPercentile":0.09072,"ingestedAt":"2026-10-08T10:28:18.504Z","slug":"CVE-2025-12475","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}