6.6
Medium
CVE-2026-91051 The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level…
Description
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a suitable gadget chain is present via another installed EWWW Image Optimizer WordPress plugin before 8.8.0 or .
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| EWWW Image Optimizer 8.6 | 8.6.0 → < 8.8.0 | 8.8.0 |
Other CVEs of EWWW Image Optimizer
The 4 CVEs of EWWW Image Optimizer →
CVE-2026-91049
EWWW Image Optimizer 8.7.4 - 8.9.0 - Author+ Stored XSS via 'data-script' Lazy Load Attribute
6.4
Medium
CVE-2026-91072
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to…
4.4
Medium
CVE-2026-91011
The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it…
6.8
Medium