{"id":"CVE-2025-4217","aliases":["EUVD-2025-16083","GHSA-42qg-74gw-4v5q"],"status":"published","title":"WP YouTube Video Optimizer \u003c= 1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The WP YouTube Video Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ib_youtube' shortcode in all versions up to, and including, 1.2 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":"2026-11-11","score":0.00248,"percentile":0.16242,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-05-21T09:21:51Z","modified":"2026-06-17T09:32:47Z","products":[{"vendor":"measuremarketing","product":"wp youtube video optimizer"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/71a933ef-f49d-4520-90d5-9957f72d7452?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wp-youtube-video-optimizer/trunk/wp-youtube-video-optimizer.php#L20"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4217"},{"url":"https://github.com/advisories/GHSA-42qg-74gw-4v5q"}],"sources":{"cve":[{"id":"CVE-2025-4217","title":"WP YouTube Video Optimizer \u003c= 1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The WP YouTube Video Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ib_youtube' shortcode in all versions up to, and including, 1.2 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":"2025-05-21T09:21:51.423Z","modified":"2026-04-08T17:00:37.484Z","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":"2026-11-02T14:32:48.512547Z"}],"euvd":[{"id":"EUVD-2025-16083","description":"The WP YouTube Video Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ib_youtube' shortcode in all versions up to, and including, 1.2 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":"2025-05-21T09:21:51Z","modified":"2026-04-08T17:00:37Z","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":"2026-11-02T19:24:53.902095Z"}],"ghsa":[{"id":"GHSA-42qg-74gw-4v5q","title":"The WP YouTube Video Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The WP YouTube Video Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ib_youtube' shortcode in all versions up to, and including, 1.2 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":"2025-05-21T21:31:37Z","modified":"2025-05-21T21:31:43Z","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":"2026-11-02T15:02:23.604118Z"}],"nvd":[{"id":"CVE-2025-4217","description":"The WP YouTube Video Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ib_youtube' shortcode in all versions up to, and including, 1.2 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":"2025-05-21T12:16:22.7Z","modified":"2026-06-17T09:32:47.32Z","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":"2026-11-02T14:11:09.125937Z"}]}}