CVE-2026-118041

Contest Gallery < 34.0.3 - Author+ Arbitrary File Upload via Ecommerce Sale File Replacement

Published Nov 11, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
The Contest Gallery WordPress plugin before 34.0.3 does not sanitise the name of files uploaded through its e-commerce sale file-replacement feature, allowing authenticated users with Author-level access and above to write files with an arbitrary name and extension to a web-accessible directory and, by overwriting the directory's protection file through the same flow, achieve Remote Code Execution.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions contest Gallery
Vendors & Products Wordpress-extensions
Wordpress-extensions contest Gallery
Type Values Removed Values Added
Weaknesses CWE-434
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description The Contest Gallery WordPress plugin before 34.0.3 does not sanitise the name of files uploaded through its e-commerce sale file-replacement feature, allowing authenticated users with Author-level access and above to write files with an arbitrary name and extension to a web-accessible directory and, by overwriting the directory's protection file through the same flow, achieve Remote Code Execution.
Title Contest Gallery < 34.0.3 - Author+ Arbitrary File Upload via Ecommerce Sale File Replacement
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 11, 2026, 11:41 AM
Reserved
Oct 27, 2026, 3:05 PM
Status
Deferred
Published
Nov 11, 2026, 6:17 AM
Modified
Nov 12, 2026, 6:49 PM