CVE-2025-4279
High
Description
The External image replace plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'external_image_replace_get_posts::replace_post' function in all versions up to, and including, 1.0.8. This makes it possible for authenticated attackers, with contributor-level and above permissions, to upload arbitrary files on the affected site's server which may make remote code execution possible.
SeverityHigh
CVSS8.8
Exploit probability57. percentile0.8%
ProductExternal image replace
PublishedMay 5, 2025
First seenMay 5, 2025
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| muromuro External image replace | v ≤ 1.0.8 | — |
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