Contest Gallery <= 26.0.8 - Authenticated (Author+) Stored Cross-Site Scripting

2025-07-10 18:41

Aurélien BOURDOIS (Elymaro)

Strategic Overview

Status

Patched in 26.0.9

Affected PluginContest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe

Affected Version<= 26.0.8

CVSS6.4Medium

CVECVE-2025-6716

View all Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe vulnerabilities

Vulnerability Overview

The Photos, Files, YouTube, Twitter, Instagram, TikTok, Ecommerce Contest Gallery – Upload, Vote, Sell via PayPal or Stripe, Social Share Buttons, OpenAI plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'upload[1][title]' parameter in all versions up to, and including, 26.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Technical Analysis

REMEDIATION: Update to version 26.0.9, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2025-6716 https://www.wordfence.com/threat-intel/vulnerabilities/id/e54caaf5-f37b-4842-ab3d-8e37cbed58da

CVSS Vector

6.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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