What is CVE-2026-78088?

CVE-2026-78088 is a high-severity vulnerability in Contest-Gallery Contest Gallery – Upload & Vote Photos, Media, Sell With Paypal Stripe, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-09-16.

How severe is CVE-2026-78088?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Contest-Gallery Contest Gallery – Upload & Vote Photos, Media, Sell With Paypal Stripe

CVE-2026-78088

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.

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell With Paypal Stripe

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2026-78088?: CVE-2026-78088 is a high-severity vulnerability in Contest-Gallery Contest Gallery – Upload & Vote Photos, Media, Sell With Paypal Stripe, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-09-16.
How severe is CVE-2026-78088?: High severity. CVSS v3 base score is 8.8 out of 10.