CVE-2025-13543

HIGH

PostGallery plugin <1.12.5 - File Upload

Title source: llm

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.

Exploits (2)

nomisec WRITEUP 1 stars

by Sudo-WP · poc

https://github.com/Sudo-WP/sudowp-postgallery

View Code ZIP pw:eip

nomisec WRITEUP

by MooseLoveti · poc

https://github.com/MooseLoveti/PostGallery-CVE-Report

View Code ZIP pw:eip

References (2)

[Product] https://plugins.trac.wordpress.org/browser/postgallery/tags/1.12.5/admin/PostGalleryUploader.php

[Third Party Advisory] https://www.wordfence.com/threat-intel/vulnerabilities/id/13348eb5-5001-4ec4-bc6a-44795bbed203?source=cve

Scores

CVSS v3 8.8

EPSS 0.0014

EPSS Percentile 33.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-434

Status published

Products (1)

rtowebsites/PostGallery < 1.12.5

Published Dec 04, 2025

Tracked Since Feb 18, 2026