title: WP Meta SEO < 4.5.5 - Author+ PHAR Deserialization
description: The WP Meta SEO WordPress plugin before 4.5.5 does not validate image file paths before attempting to manipulate the image files, leading to a PHAR deserialization vulnerability. Furthermore, the plugin contains a gadget chain which may be used in certain configurations to achieve remote code execution.
problem types: CWE-502 Deserialization of Untrusted Data
affected:
{
vendor: Unknown
product: WP Meta SEO
versions:
status: affected, versionType: custom, version: 0, lessThan: 4.5.5
defaultStatus: unaffected
collectionURL: https://wordpress.org/plugins
}