PostGallery <= 1.12.5 - Authenticated (Subscriber+) Arbitrary File Upload

2025-12-04 07:28

Moose Love

Strategic Overview

Status

Unpatched

Affected PluginPostGallery

Affected Version<= 1.12.5

CVSS8.8High

CVECVE-2025-13543

View all PostGallery vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2025-13543 https://www.wordfence.com/threat-intel/vulnerabilities/id/13348eb5-5001-4ec4-bc6a-44795bbed203

CVSS Vector

8.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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