{"id":"CVE-2026-76010","aliases":["EUVD-2026-114701","GHSA-3x55-4c6j-rgh3"],"status":"published","title":"Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery \u003c= 4.4.1 - Authenticated (Custom+) Remote Code Execution via XML-RPC 'meta_data' Mass Assignment and Path Traversal","description":"The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.4.1 via the render_image function. This is due to unrestricted mass assignment of caller-supplied meta_data keys onto the image model combined with missing realpath containment in path construction and a bypassable signature check on the public image delivery route. This makes it possible for authenticated attackers, with custom-level access and above, to execute code on the server. Exploitation requires the authenticated attacker to own at least one NextGEN gallery — a condition that can be satisfied by any Subscriber who was ever granted the 'NextGEN Manage gallery' capability, and that access is retained indefinitely due to the stored gallery-author equality fallback in _can_manage_gallery() even after the capability is revoked.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00772,"percentile":0.55951,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-10-31T09:29:25Z","modified":"2026-11-02T14:34:16Z","products":[{"vendor":"smub","product":"photo gallery, sliders, proofing and themes – nextgen gallery"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/36dcde20-0af2-4b8b-8637-9a070dffa8a1?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/nextgen-gallery/tags/4.3.0/src/DataStorage/Manager.php#L2373"},{"url":"https://plugins.trac.wordpress.org/browser/nextgen-gallery/tags/4.3.0/src/XMLRPC/Controller.php#L289"},{"url":"https://plugins.trac.wordpress.org/browser/nextgen-gallery/tags/4.3.0/src/DataStorage/Manager.php#L1226"},{"url":"https://plugins.trac.wordpress.org/browser/nextgen-gallery/tags/4.3.0/src/DynamicThumbnails/Controller.php#L33"},{"url":"https://plugins.trac.wordpress.org/browser/nextgen-gallery/tags/4.3.0/src/XMLRPC/Controller.php#L69"},{"url":"https://plugins.trac.wordpress.org/browser/nextgen-gallery/tags/4.3.0/src/DataStorage/Manager.php#L2951"},{"url":"https://plugins.trac.wordpress.org/changeset/3699076/nextgen-gallery/trunk/src/DataStorage/Manager.php"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76010"},{"url":"https://github.com/advisories/GHSA-3x55-4c6j-rgh3"}],"sources":{"cve":[{"id":"CVE-2026-76010","title":"Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery \u003c= 4.4.1 - Authenticated (Custom+) Remote Code Execution via XML-RPC 'meta_data' Mass Assignment and Path Traversal","description":"The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.4.1 via the render_image function. This is due to unrestricted mass assignment of caller-supplied meta_data keys onto the image model combined with missing realpath containment in path construction and a bypassable signature check on the public image delivery route. This makes it possible for authenticated attackers, with custom-level access and above, to execute code on the server. Exploitation requires the authenticated attacker to own at least one NextGEN gallery — a condition that can be satisfied by any Subscriber who was ever granted the 'NextGEN Manage gallery' capability, and that access is retained indefinitely due to the stored gallery-author equality fallback in _can_manage_gallery() even after the capability is revoked.","status":"published","published":"2026-10-31T09:29:25.701Z","modified":"2026-11-02T14:34:16.619Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-114701","description":"The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.4.1 via the render_image function. This is due to unrestricted mass assignment of caller-supplied meta_data keys onto the image model combined with missing realpath containment in path construction and a bypassable signature check on the public image delivery route. This makes it possible for authenticated attackers, with custom-level access and above, to execute code on the server. Exploitation requires the authenticated attacker to own at least one NextGEN gallery — a condition that can be satisfied by any Subscriber who was ever granted the 'NextGEN Manage gallery' capability, and that access is retained indefinitely due to the stored gallery-author equality fallback in _can_manage_gallery() even after the capability is revoked.","status":"published","published":"2026-10-31T09:29:25Z","modified":"2026-11-02T14:34:16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:58:44.835214Z"}],"ghsa":[{"id":"GHSA-3x55-4c6j-rgh3","title":"The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is...","description":"The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.4.1 via the render_image function. This is due to unrestricted mass assignment of caller-supplied meta_data keys onto the image model combined with missing realpath containment in path construction and a bypassable signature check on the public image delivery route. This makes it possible for authenticated attackers, with custom-level access and above, to execute code on the server. Exploitation requires the authenticated attacker to own at least one NextGEN gallery — a condition that can be satisfied by any Subscriber who was ever granted the 'NextGEN Manage gallery' capability, and that access is retained indefinitely due to the stored gallery-author equality fallback in _can_manage_gallery() even after the capability is revoked.","status":"published","published":"2026-10-31T12:31:16Z","modified":"2026-10-31T12:31:27Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:14:53.83641Z"}],"nvd":[{"id":"CVE-2026-76010","description":"The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.4.1 via the render_image function. This is due to unrestricted mass assignment of caller-supplied meta_data keys onto the image model combined with missing realpath containment in path construction and a bypassable signature check on the public image delivery route. This makes it possible for authenticated attackers, with custom-level access and above, to execute code on the server. Exploitation requires the authenticated attacker to own at least one NextGEN gallery — a condition that can be satisfied by any Subscriber who was ever granted the 'NextGEN Manage gallery' capability, and that access is retained indefinitely due to the stored gallery-author equality fallback in _can_manage_gallery() even after the capability is revoked.","status":"published","published":"2026-10-31T10:16:38.547Z","modified":"2026-11-02T16:19:19.997Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T20:51:44.219211Z"}]}}