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CVE-2026-78088

HIGH 8.8 CVSS 3.1
Published
September 16, 2026
Last modified
September 16, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Overwrite in all versions up to, and including, 32.0.1 due to insufficient file path validation in the 'baseUrlForFacebook' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite known files which may lead to remote code execution when certain preconditions are met.

Affected WordPress components

  • Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe Plugin · contest-gallery
    Confirmed match Active
    Up to and including 32.0.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe — Up to and including 32.0.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=/contest-gallery/tags/32.0.1/v10/v10-admin/gallery/change-gallery/1_content-fb-like.php&new_path=/contest-gallery/tags/33.0.0/v10/v10-admin/gallery/change-gallery/1_content-fb-like.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/af2115ba-5573-41ce-8d5a-58c57c65c75a?source=cve
  • nvd.nist.gov Official NVD record