What the vulnerability does
01Description
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.
Explanation of Vulnerability in Simple Terms
02Summary
Contest Gallery contains a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts affecting other users and site administrators. The vulnerability exists in versions up to 26.0.8 and can be exploited without user interaction. An attacker with low-level account access can inject code that executes in the browsers of other site visitors, potentially stealing session tokens or modifying page content.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers, stealing session data or modifying site content.
Potential impact on your site
04Site Impact
Authenticated attackers can compromise other users' sessions and modify site behavior without admin knowledge.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account on the site; no user interaction required from victims.
Key dates
06Disclosure timeline
July 11, 2025
CVE published
April 8, 2026
Record updated
