CVE-2024-8480
Image Optimizer, Resizer and CDN – Sirv <= 7.2.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary File Upload
- State
- Published
- Severity
- 8.8 High
- Published
- Sep 6, 2024
- Updated
- Apr 8, 2026
- Reserved
- Sep 5, 2024
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Wordfence |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
Image Optimizer, Resizer and CDN – Sirvsirv |
|
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/
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