CVE-2026-78088: contest-gallery contest gallery – upload & vote photos, media, sell with paypal & stripe
Vulnerability summary
CVE-2026-78088 is a high (CVSS 8.8) vulnerability in contest-gallery contest gallery – upload & vote photos, media, sell with paypal & stripe. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.6% of scored vulnerabilities. Fixed in 33.0.0.
Timeline
- 16-09-2026PublishedVulnerability first disclosed.
- 16-09-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.79%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
+0.19 pp
From 0.60% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Contest-gallery1 product
Wordpress1 product
- contest-gallery≤ 32.0.1 (fixed in 33.0.0)
2 vendors · 2 products