What’s Vulnerable › Vulnerabilities

CVE-2025-13543: PostGallery <= 1.12.5 - Authenticated (Subscriber+) Arbitrary File Upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-04 · updated 2026-10-18
• Weakness: CWE-434

Description

The PostGallery plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'PostGalleryUploader' class functions in all versions up to, and including, 1.12.5. This makes it possible for authenticated attackers, with subscriber-level and above permissions, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Affected products

• rtowebsites PostGallery: through 1.12.5

References

• https://plugins.trac.wordpress.org/browser/postgallery/tags/1.12.5/admin/PostGalleryUploader.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/13348eb5-5001-4ec4-bc6a-44795bbed203?source=cve

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