Arbitrary file upload in Wpchill Image Gallery – Photo Grid & Video
CVE-2025-13646
The Modula Image Gallery plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'ajax_unzip_file' function in versions 2.13.1 to 2.13.2. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files with race condition on the affected site's server which may make remote code execution possible.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Wpchill Image Gallery – Photo Grid & Video — versions 2.13.1
- Wpchill Modula Image Gallery
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/59ee0ca2-846d-4ae8-ad19-7c382… (Third Party Advisory)
- github.com/WPChill/modula-lite/blob/master/includes/admin/class-modula-gallery-… (Broken Link)
- plugins.trac.wordpress.org/changeset/3395701/modula-best-grid-gallery (Patch)
- github.com/WPChill/modula-lite/commit/90c8eb982f71b31584d9be9359e3b594e03927d7 (Broken Link)
- plugins.trac.wordpress.org/changeset/3407949/modula-best-grid-gallery (Patch)
Frequently asked questions
- What is CVE-2025-13646?
- CVE-2025-13646 is a high-severity vulnerability in Wpchill Image Gallery – Photo Grid & Video, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2025-12-03.
- How severe is CVE-2025-13646?
- High severity. CVSS v3 base score is 7.5 out of 10.