CVE-2026-91051

The EWWW Image Optimizer WordPress plugin versions before 8.8.0 (specifically versions 8.6.0 - 8.7.7 ) is vulnerable to PHP Object Injection . Authenticated users with author-level permissions can store a serialized value in a post meta field (specifically 'eio_page_settings' ). When the post is ...

CVE-2026-91051 EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via 'eio_page_settings' Post Meta

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 co...

CVE-2026-91051 EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via 'eio_page_settings' Post Meta

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 co...