CVE-2025-11254: Contest Gallery – Upload, Vote & Sell with PayPal and Stripe <= 27.0.3 - Unauthenticated CSV Injection

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-11 · updated 2026-10-08
Weakness: CWE-1236

Description

The Contest Gallery – Upload, Vote & Sell with PayPal and Stripe plugin for WordPress is vulnerable to CSV Injection in all versions up to, and including, 27.0.3 via gallery submissions. This makes it possible for unauthenticated attackers to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

Affected products

Contest Gallery Pro: through 27.0.3

References

https://plugins.trac.wordpress.org/changeset/3375891/contest-gallery/tags/28.0.0/functions/backend/render/cg-backend-gallery-general.php?old=3372123&old_path=contest-gallery%2Ftags%2F27.0.3%2Ffunctions%2Fbackend%2Frender%2Fcg-backend-gallery-general.php
https://plugins.trac.wordpress.org/changeset?old_path=/contest-gallery/tags/27.0.3&new_path=/contest-gallery/tags/28.0.0&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/9a0dc62c-786d-40f3-b9c9-bd199a176192?source=cve

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