Description

The Gallery plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3 via deserialization of untrusted input from wd_gallery_$id parameter. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. 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.

Classification

CVE ID: CVE-2024-11501

CVSS Base Severity: HIGH

CVSS Base Score: 8.8

Affected Products

Vendor: webdzier

Product: Gallery

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 21.56% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/778f7d9b-6376-4026-a291-1fedeabe8c99?source=cve
https://plugins.trac.wordpress.org/browser/multi-gallery/tags/1.3/partials/Shortcode.php#L21

Timeline