CVE-2026-81650

NextGEN Gallery < 4.5.0 - Authenticated Arbitrary File Upload via ZIP Import

Published Sep 20, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not correctly validate the extensions of files extracted from an uploaded archive, due to a variable being reused as a loop counter so that the check always passes, allowing users granted its gallery-management capability by an administrator to write arbitrary files into a web-accessible directory and, on hosts that execute them, run arbitrary code.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions nextgen Gallery
Vendors & Products Wordpress-extensions
Wordpress-extensions nextgen Gallery
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-434
Type Values Removed Values Added
Description The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not correctly validate the extensions of files extracted from an uploaded archive, due to a variable being reused as a loop counter so that the check always passes, allowing users granted its gallery-management capability by an administrator to write arbitrary files into a web-accessible directory and, on hosts that execute them, run arbitrary code.
Title NextGEN Gallery < 4.5.0 - Authenticated Arbitrary File Upload via ZIP Import
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 20, 2026, 1:46 PM
Reserved
Aug 27, 2026, 9:27 AM
Status
Deferred
Published
Sep 20, 2026, 7:16 AM
Modified
Sep 21, 2026, 1:34 PM