MEDIUM 6.6 NVD

CVE-2026-91051

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 p

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 .

References

https://wpscan.com/vulnerability/e24a9497-8fb4-4067-8421-194725455d55/

Published: 2026-09-30 · Source: NVD · Feed updated: 2026-09-30

This medium severity vulnerability with a CVSS score of 6.6 was published on 2026-09-30 via NVD.

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