Vulnerability · Published Jun 19, 2024 · Assigned by Wordfence
CVE-2024-5853Image Optimizer, Resizer and CDN – Sirv <= 7.2.6 - Authenticated (Contributor+) Arbitrary File Upload
Critical 9.9
In plain English
A critical-severity unrestricted file upload in Image Optimizer, Resizer and CDN – Sirv from sirv. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| sirv | Image Optimizer, Resizer and CDN – Sirv | 0 – through 7.2.6 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H