CVE-2025-6716 Contest Gallery <= 26.0.8 - Authenticated (Author+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated attackers with Author access can inject arbitrary scripts via the upload title parameter, leading to stored XSS execution on victim pages.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-6716?

CVE-2025-6716 is a medium-severity cross-site scripting vulnerability in contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe, published on 11 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2025-6716?

How do I fix CVE-2025-6716?

No fix has been published for CVE-2025-6716 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-6716 being exploited?

There is no known exploitation of CVE-2025-6716 in the wild and no public exploit code.

Sources

Also known as GHSA-2hfc-4pwf-c6m2.

Is CVE-2025-6716 in your software?

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