CVE-2025-55126 Cross-site scripting in Revive Adserver

Medium 6.5 Published 20 Nov 2025 Updated 1 Dec 2025

Attackers can inject malicious scripts via campaign names in Revive Adserver, potentially compromising advertiser accounts and sessions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-55126?

CVE-2025-55126 is a medium-severity cross-site scripting vulnerability in Revive Adserver, published on 20 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HackerOne community member Dang Hung Vi (vidang04) has reported a stored XSS vulnerability involving the navigation box at the top of advertiser-related pages, with campaign names being the vector for the stored XSS

Weakness: CWE-79

Which versions are affected by CVE-2025-55126?

It affects 1 product.

Products include Aquaplatform Revive Adserver.

How do I fix CVE-2025-55126?

No fix has been published for CVE-2025-55126 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-2025-55126 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55126 exists.

Sources

Also known as GHSA-mch5-g7m5-v76f.