{"id":"CVE-2024-5853","aliases":["EUVD-2024-46997","GHSA-4x4x-4g44-6g6p"],"status":"published","title":"Image Optimizer, Resizer and CDN – Sirv \u003c= 7.2.6 - Authenticated (Contributor+) Arbitrary File Upload","description":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00787,"percentile":0.56418,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2024-06-19T05:37:44Z","modified":"2026-06-17T08:16:47Z","products":[{"vendor":"sirv","product":"image optimizer, resizer and cdn – sirv"},{"vendor":"sirv","product":"image_optimizer\\,_resizer_and_cdn"},{"vendor":"sirv","product":"sirv"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/e89b40ec-1952-46e3-a91b-bd38e62f8929?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/3103410/sirv/trunk/sirv.php","tags":["x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-5853"},{"url":"https://github.com/advisories/GHSA-4x4x-4g44-6g6p"}],"sources":{"cve":[{"id":"CVE-2024-5853","title":"Image Optimizer, Resizer and CDN – Sirv \u003c= 7.2.6 - Authenticated (Contributor+) Arbitrary File Upload","description":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.","status":"published","published":"2024-06-19T05:37:44.888Z","modified":"2026-04-08T17:30:37.67Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:34:01.286506Z"}],"euvd":[{"id":"EUVD-2024-46997","description":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.","status":"published","published":"2024-06-19T05:37:44Z","modified":"2026-04-08T17:30:37Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:24:35.429442Z"}],"ghsa":[{"id":"GHSA-4x4x-4g44-6g6p","title":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file...","description":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.","status":"published","published":"2024-06-19T06:30:35Z","modified":"2025-12-05T21:31:23Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:05:04.429575Z"}],"nvd":[{"id":"CVE-2024-5853","description":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.","status":"published","published":"2024-06-19T06:15:12.287Z","modified":"2026-06-17T08:16:47.43Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:10:07.173605Z"}]}}