The Modula Image Gallery – Photo Grid & Video Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.6. This is due to the plugin not properly verifying that a user is authorized to modify specific posts before updating them via the REST API. This makes it possible for authenticated attackers, with contributor level access and above, to update the title, excerpt, and content of arbitrary posts by passing post IDs in the modulaImages field when editing a gallery.
CVE-2026-1254 is a medium severity with CVSS 4.3 Authorization Bypass issue affecting the Plugin Modula Image Gallery – Photo Grid & Video Gallery. It affects Versions up to 2.13.6 and is fixed in 2.13.7.
CVE-2026-1254 is tracked for the Plugin Modula Image Gallery – Photo Grid & Video Gallery as medium severity with CVSS 4.3. The affected range is Versions up to 2.13.6. Update Modula Image Gallery – Photo Grid & Video Gallery to 2.13.7 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-2026-1254 |
| Patched Versions |
2.13.7
|
| Affected Versions |
Versions up to 2.13.6
|
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 <= 2.13.4 - Authenticated (Author+) Stored Cross-Site Scripting
Modula Image Gallery <= 2.10.1 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via FancyBox 5 JavaScript Library
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