Unauthenticated Arbitrary File Overwrite in Contest Gallery Plugin for WordPress
CVE-2026-78088

8.8HIGH

Key Information:

Vendor

WordPress
Status
Contest Gallery – Upload & Vote Photos, Media, Sell With Paypal & Stripe
Vendor
CVE Published:
16 September 2026

What is CVE-2026-78088?

The Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe plugin for WordPress exhibits a vulnerability that allows unauthenticated users to overwrite files due to insufficient validation of the 'baseUrlForFacebook' parameter. This flaw can be exploited by users with subscriber-level access or higher, potentially leading to remote code execution if certain conditions are met. This makes it essential for users to ensure that they are running the latest version to mitigate this risk.

Affected Version(s)

Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe 0 <= 32.0.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?old_path=/co...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

mad4cyber
.