CVE-2024-4035: GT3THEMES Photo Gallery

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Photo Gallery – GT3 Image Gallery & Gutenberg Block Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image alt text in all versions up to, and including, 2.7.7.21 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• GT3THEMES Photo Gallery: version 0 only
• GT3THEMES Photo Gallery – GT3 Image Gallery & Gutenberg Block Gallery: up to and including 2.7.7.21

Published 2024-04-25. Last modified 2026-06-17.