{"id":"CVE-2026-5226","aliases":["EUVD-2026-21664","GHSA-c2rf-g3vq-gg84"],"status":"published","title":"Optimole \u003c= 4.2.3 - Reflected Cross-Site Scripting via Page Profiler URL","description":"The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 This is due to insufficient output escaping on user-supplied URL paths in the get_current_url() function, which are inserted into JavaScript code via str_replace() without proper JavaScript context escaping in the replace_content() function. 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":"2026-11-10","score":0.00504,"percentile":0.43415,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-11T01:24:57Z","modified":"2026-06-17T10:58:38Z","products":[{"vendor":"optimole","product":"optimole – optimize images in real time"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/112cea93-fa4b-4692-8c8b-e74255f61939?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/trunk/inc/manager.php#L459"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.1/inc/manager.php#L459"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/trunk/inc/manager.php#L542"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.1/inc/manager.php#L542"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/trunk/inc/admin.php#L1012"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.1/inc/admin.php#L1012"},{"url":"https://plugins.trac.wordpress.org/changeset/3498040/optimole-wp/trunk/inc/manager.php"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Foptimole-wp/tags/4.2.3\u0026new_path=%2Foptimole-wp/tags/4.2.4"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5226"},{"url":"https://github.com/advisories/GHSA-c2rf-g3vq-gg84"}],"sources":{"cve":[{"id":"CVE-2026-5226","title":"Optimole \u003c= 4.2.3 - Reflected Cross-Site Scripting via Page Profiler URL","description":"The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 This is due to insufficient output escaping on user-supplied URL paths in the get_current_url() function, which are inserted into JavaScript code via str_replace() without proper JavaScript context escaping in the replace_content() function. 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":"2026-04-11T01:24:57.542Z","modified":"2026-04-13T12:27:49.136Z","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":"2026-11-02T13:39:27.849196Z"}],"euvd":[{"id":"EUVD-2026-21664","description":"The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 This is due to insufficient output escaping on user-supplied URL paths in the get_current_url() function, which are inserted into JavaScript code via str_replace() without proper JavaScript context escaping in the replace_content() function. 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":"2026-04-11T01:24:57Z","modified":"2026-04-13T12:27:49Z","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":"2026-11-02T19:24:29.371024Z"}],"ghsa":[{"id":"GHSA-c2rf-g3vq-gg84","title":"The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross...","description":"The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 This is due to insufficient output escaping on user-supplied URL paths in the get_current_url() function, which are inserted into JavaScript code via str_replace() without proper JavaScript context escaping in the replace_content() function. 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":"2026-04-11T03:30:30Z","modified":"2026-04-11T03:30:41Z","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":"2026-11-02T15:07:25.53537Z"}],"nvd":[{"id":"CVE-2026-5226","description":"The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 This is due to insufficient output escaping on user-supplied URL paths in the get_current_url() function, which are inserted into JavaScript code via str_replace() without proper JavaScript context escaping in the replace_content() function. 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":"2026-04-11T02:16:03.12Z","modified":"2026-06-17T10:58:38.413Z","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":"2026-11-02T14:12:14.37744Z"}]}}