CVE-2023-5583

Name of the Vulnerable Software and Affected Versions WP Simple Galleries plugin for WordPress versions up to, and including, 1.34

Description The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection via deserialization of untrusted input from the wpsimplegallery gallery post meta via wpsgallery shortcode. This allows authenticated attackers, with contributor-level permissions and above, to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Recommendations For WP Simple Galleries plugin for WordPress versions up to, and including, 1.34, consider disabling the wpsgallery shortcode until a patch is available to prevent exploitation. Restrict access to the wpsimplegallery gallery post meta to minimize the risk of untrusted input deserialization. Avoid using the wpsimplegallery gallery post meta in the affected plugin until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.