Description
WordPress Plugin Otter-Gutenberg Blocks-Page Builder for Gutenberg Editor & FSE is prone to a deserialization vulnerability. Attackers can possibly exploit this issue to call files using a PHAR wrapper that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions, granted a POP chain is also present. WordPress Plugin Otter-Gutenberg Blocks-Page Builder for Gutenberg Editor & FSE version 2.2.5 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.2.6 or latest