Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
sirv Image Optimizer, Resizer and CDN – Sirv
Default version status: unaffected
0 to ≤ 7.2.7affected
References
- 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/ ↗