{"id":"CVE-2024-12047","aliases":["EUVD-2024-50557","GHSA-rfx3-gmfp-v633"],"status":"published","title":"WP Compress – Instant Performance \u0026 Speed Optimization \u003c= 6.30.03 - Reflected Cross-Site Scripting via custom_server Parameter","description":"The WP Compress – Instant Performance \u0026 Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00373,"percentile":0.31651,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-01-04T07:24:22Z","modified":"2026-06-17T06:58:57Z","products":[{"vendor":"aresit","product":"wp compress – instant performance \u0026 speed optimization"},{"vendor":"smartersite","product":"wp compress – instant performance \u0026 speed optimization"},{"vendor":"wpcompress","product":"wp_compress"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/09c04863-a454-4f05-9403-aff39dbccd43?source=cve","tags":["Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/6.30.00/addons/cdn/cdn-rewrite.php#L459","tags":["Product"]},{"url":"https://wordpress.org/plugins/wp-compress-image-optimizer/#developers","tags":["Release Notes"]},{"url":"https://plugins.trac.wordpress.org/changeset/3213738/","tags":["Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-12047"},{"url":"https://plugins.trac.wordpress.org/changeset/3213738"},{"url":"https://github.com/advisories/GHSA-rfx3-gmfp-v633"}],"sources":{"cve":[{"id":"CVE-2024-12047","title":"WP Compress – Instant Performance \u0026 Speed Optimization \u003c= 6.30.03 - Reflected Cross-Site Scripting via custom_server Parameter","description":"The WP Compress – Instant Performance \u0026 Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2025-01-04T07:24:22.599Z","modified":"2026-04-08T16:34:32.786Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:11.97482Z"}],"euvd":[{"id":"EUVD-2024-50557","description":"The WP Compress – Instant Performance \u0026 Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2025-01-04T07:24:22Z","modified":"2026-04-08T16:34:32Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:10.260259Z"}],"ghsa":[{"id":"GHSA-rfx3-gmfp-v633","title":"The WP Compress – Instant Performance \u0026 Speed Optimization plugin for WordPress is vulnerable to...","description":"The WP Compress – Instant Performance \u0026 Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2025-01-04T09:35:20Z","modified":"2025-01-04T09:35:27Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:59:21.358574Z"}],"nvd":[{"id":"CVE-2024-12047","description":"The WP Compress – Instant Performance \u0026 Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2025-01-04T08:15:06.157Z","modified":"2026-06-17T06:58:57.157Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:41.489236Z"}]}}