PT-2026-1609 · WordPress · St-Gallery

Published 2026-01-07 · Updated 2026-01-07 · CVE-2025-13848

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions STM Gallery versions up to and including 0.9

Description The STM Gallery plugin for WordPress is susceptible to Stored Cross-Site Scripting through the composicion parameter. Insufficient input sanitization and output escaping allow authenticated attackers with Contributor-level access or higher to inject malicious web scripts into pages. These scripts will execute when a user accesses the compromised page.

Recommendations Update the STM Gallery plugin to a version newer than 0.9.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13848

Affected Products

St-Gallery

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-13848 · Security Note
• https://plugins.trac.wordpress.org/browser/stm-gallery/trunk/stmgallery_v.0.9.php#L121 · Note
• https://twitter.com/CVEnew/status/2008838597944787289 · Twitter Post
• https://plugins.trac.wordpress.org/browser/stm-gallery/tags/0.9/stmgallery_v.0.9.php#L121 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/393d6e4a-af05-48ac-8921-f298932245a4?source=cve · Note