CVE-2026-78088: CWE-434 Unrestricted Upload of File with Dangerous Type in contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
The Contest Gallery WordPress plugin (up to version 32.0.1) contains an Unauthenticated Arbitrary File Overwrite vulnerability due to insufficient validation of the 'baseUrlForFacebook' parameter. This flaw allows authenticated users with subscriber-level access or higher to overwrite files, potentially leading to remote code execution under certain conditions. The vulnerability is classified under CWE-434 and has a high severity rating with a CVSS score of 8.8.
AI Analysis
Technical Summary
CVE-2026-78088 describes an Unauthenticated Arbitrary File Overwrite vulnerability in the Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe WordPress plugin. The issue arises from inadequate file path validation in the 'baseUrlForFacebook' parameter, enabling authenticated users with subscriber-level privileges or above to overwrite existing files. This can lead to remote code execution if specific preconditions are met. The vulnerability affects all versions up to and including 32.0.1.
Potential Impact
An attacker with subscriber-level access can overwrite known files on the server, which may result in remote code execution. This compromises the confidentiality, integrity, and availability of the affected system, as indicated by the CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Mitigation Recommendations
No patch information is provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict subscriber-level access and monitor for suspicious activity related to file uploads involving the 'baseUrlForFacebook' parameter.
CVE-2026-78088: CWE-434 Unrestricted Upload of File with Dangerous Type in contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
Description
The Contest Gallery WordPress plugin (up to version 32.0.1) contains an Unauthenticated Arbitrary File Overwrite vulnerability due to insufficient validation of the 'baseUrlForFacebook' parameter. This flaw allows authenticated users with subscriber-level access or higher to overwrite files, potentially leading to remote code execution under certain conditions. The vulnerability is classified under CWE-434 and has a high severity rating with a CVSS score of 8.8.
CVSS v3.1
Score 8.8high
Affected software
contest-gallery
Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78088 describes an Unauthenticated Arbitrary File Overwrite vulnerability in the Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe WordPress plugin. The issue arises from inadequate file path validation in the 'baseUrlForFacebook' parameter, enabling authenticated users with subscriber-level privileges or above to overwrite existing files. This can lead to remote code execution if specific preconditions are met. The vulnerability affects all versions up to and including 32.0.1.
Potential Impact
An attacker with subscriber-level access can overwrite known files on the server, which may result in remote code execution. This compromises the confidentiality, integrity, and availability of the affected system, as indicated by the CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Mitigation Recommendations
No patch information is provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict subscriber-level access and monitor for suspicious activity related to file uploads involving the 'baseUrlForFacebook' parameter.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-08-22T16:08:31.565Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa113b55bf5e2cf5f373f2
Added to database: 09/16/2026, 03:47:07 UTC
Last enriched: 09/16/2026, 04:01:28 UTC
Last updated: 09/16/2026, 04:21:24 UTC
Views: 8
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