The Modula Image Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.13.4 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.
CVE-2026-23976 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Modula Image Gallery – Photo Grid & Video Gallery. It affects Versions up to 2.13.4 and is fixed in 2.13.5.
CVE-2026-23976 is tracked for the Plugin Modula Image Gallery – Photo Grid & Video Gallery as medium severity with CVSS 6.4. The affected range is Versions up to 2.13.4. Update Modula Image Gallery – Photo Grid & Video Gallery to 2.13.5 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
modula-best-grid-gallery
View on wordpress.org
|
| CVE | CVE-2026-23976 |
| Patched Versions |
2.13.5
|
| Affected Versions |
Versions up to 2.13.4
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Modula Image Gallery <= 2.11.10 - Authenticated (Author+) Arbitrary File Upload
Modula Image Gallery – Photo Grid & Video Gallery <= 2.14.18 - Authenticated (Author+) PHP Object Injection
Modula 2.13.1 - 2.13.2 - Authenticated (Author+) Arbitrary File Upload via Race Condition
Customizable WordPress Gallery Plugin – Modula Image Gallery <= 2.6.9 - Missing Authorization to Plugin Settings Change
Modula 2.13.1 - 2.13.2 - Authenticated (Author+) Arbitrary File Deletion
Image Gallery – Photo Grid & Video Gallery (Modula) <= 2.13.3 - Missing Authorization to Arbitrary Directory Listing
Modula Image Gallery <= 2.10.1 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via FancyBox 5 JavaScript Library
Modula Image Gallery <= 2.2.4 - Authenticated Stored Cross-Site Scripting
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