CVE-2024-8480: Image Optimizer, Resizer and CDN – Sirv <= 7.2.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary File Upload
First published: Fri Sep 06 2024(Updated: )
The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'sirv_save_prevented_sizes' function in all versions up to, and including, 7.2.7. This makes it possible for authenticated attackers, with Contributor-level access and above, to exploit the 'sirv_upload_file_by_chunks_callback' function, which lacks proper file type validation, allowing attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Credit: security@wordfence.com
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Reference Links
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1e3e628f-b5e7-40fd-9d34-4a3b23e1e0e7?source=cve
- https://plugins.trac.wordpress.org/browser/sirv/trunk/sirv.php?rev=3103410#L4647
- https://plugins.trac.wordpress.org/browser/sirv/tags/7.2.7/sirv.php#L6331
- https://plugins.trac.wordpress.org/changeset/3115018/
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