CVE-2026-91051
EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via 'eio_page_settings' Post Meta
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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 .
| Vendor | unknown |
| Product | ewww image optimizer |
| Published | Sep 30, 2026 |
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Affected Versions
Unknown / EWWW Image Optimizer
8.6.0 < 8.8.0
References
Credits
Karthik WPScan