{"id":"CVE-2026-11784","aliases":["EUVD-2026-37848","GHSA-xh6r-5wcf-38f6"],"status":"published","title":"Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization \u003c= 4.2.6 - Cross-Site Request Forgery via 'optml_replace_file' AJAX Action","description":"The Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.2.6. This is due to missing or incorrect nonce validation on the replace_file function. This makes it possible for unauthenticated attackers to overwrite existing media attachments with attacker-supplied file content by supplying a forged multipart POST request targeting any attachment the victim has edit_post capability over via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The forged request requires a victim with at least Author-level privileges, as the handler enforces a current_user_can('edit_post', $id) check; tricking an Author-level or higher user into clicking a crafted link is sufficient to trigger the overwrite against attachments that user can edit.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00228,"percentile":0.13641,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-352"],"published":"2026-06-18T05:34:25Z","modified":"2026-06-18T15:23:56Z","exploits":[{"source":"pocgithub","id":"AlexMihailEngineer/CVE-2026-11784-Optimole-CSRF","title":"AlexMihailEngineer/CVE-2026-11784-Optimole-CSRF","date":"2026-06-19","url":"https://github.com/AlexMihailEngineer/CVE-2026-11784-Optimole-CSRF"}],"products":[{"vendor":"optimole","product":"optimole – optimize images | convert webp \u0026 avif | cdn \u0026 lazy load | image optimization"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8a90de6e-6bd5-43b6-980d-84d25d4120ad?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.6/inc/media_rename/attachment_edit.php#L331"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.6/inc/media_rename/attachment_edit.php#L24"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.5/inc/media_rename/attachment_edit.php#L331"},{"url":"https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.5/inc/media_rename/attachment_edit.php#L24"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3574315%40optimole-wp\u0026new=3574315%40optimole-wp\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11784"},{"url":"https://github.com/advisories/GHSA-xh6r-5wcf-38f6"}],"sources":{"cve":[{"id":"CVE-2026-11784","title":"Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization \u003c= 4.2.6 - Cross-Site Request Forgery via 'optml_replace_file' AJAX Action","description":"The Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.2.6. This is due to missing or incorrect nonce validation on the replace_file function. This makes it possible for unauthenticated attackers to overwrite existing media attachments with attacker-supplied file content by supplying a forged multipart POST request targeting any attachment the victim has edit_post capability over via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The forged request requires a victim with at least Author-level privileges, as the handler enforces a current_user_can('edit_post', $id) check; tricking an Author-level or higher user into clicking a crafted link is sufficient to trigger the overwrite against attachments that user can edit.","status":"published","published":"2026-06-18T05:34:25.696Z","modified":"2026-06-18T13:03:09.076Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:20:04.463704Z"}],"euvd":[{"id":"EUVD-2026-37848","description":"The Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.2.6. This is due to missing or incorrect nonce validation on the replace_file function. This makes it possible for unauthenticated attackers to overwrite existing media attachments with attacker-supplied file content by supplying a forged multipart POST request targeting any attachment the victim has edit_post capability over via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The forged request requires a victim with at least Author-level privileges, as the handler enforces a current_user_can('edit_post', $id) check; tricking an Author-level or higher user into clicking a crafted link is sufficient to trigger the overwrite against attachments that user can edit.","status":"published","published":"2026-06-18T05:34:25Z","modified":"2026-06-18T13:03:09Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:36.672794Z"}],"ghsa":[{"id":"GHSA-xh6r-5wcf-38f6","title":"The Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization...","description":"The Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.2.6. This is due to missing or incorrect nonce validation on the replace_file function. This makes it possible for unauthenticated attackers to overwrite existing media attachments with attacker-supplied file content by supplying a forged multipart POST request targeting any attachment the victim has edit_post capability over via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The forged request requires a victim with at least Author-level privileges, as the handler enforces a current_user_can('edit_post', $id) check; tricking an Author-level or higher user into clicking a crafted link is sufficient to trigger the overwrite against attachments that user can edit.","status":"published","published":"2026-06-18T06:32:21Z","modified":"2026-06-18T06:32:29Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:08:53.737891Z"}],"nvd":[{"id":"CVE-2026-11784","description":"The Optimole – Optimize Images | Convert WebP \u0026 AVIF | CDN \u0026 Lazy Load | Image Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.2.6. This is due to missing or incorrect nonce validation on the replace_file function. This makes it possible for unauthenticated attackers to overwrite existing media attachments with attacker-supplied file content by supplying a forged multipart POST request targeting any attachment the victim has edit_post capability over via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The forged request requires a victim with at least Author-level privileges, as the handler enforces a current_user_can('edit_post', $id) check; tricking an Author-level or higher user into clicking a crafted link is sufficient to trigger the overwrite against attachments that user can edit.","status":"published","published":"2026-06-18T06:16:57.44Z","modified":"2026-06-18T15:23:56.087Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:12:24.544761Z"}]}}