CVE-2025-27208 Cross-site scripting in Revive Adserver

Medium 6.3 Published Updated

Reflected XSS in Revive Adserver allows attackers to execute JavaScript in victim browsers via crafted URLs, potentially bypassing security controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-27208?

CVE-2025-27208 is a medium-severity cross-site scripting vulnerability in Revive-Adserver Revive Adserver, published on 30 Oct 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Revive Adserver version 5.5.2. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and execute injected JavaScript code in the context of the victim's browser. The session cookie cannot be accessed, but a number of other operations could be performed. The vulnerability is present in the admin-search.php file and can be exploited via the compact parameter.

Weakness: CWE-79

Which versions are affected by CVE-2025-27208?

It affects 1 product.

Products include Revive-Adserver Revive Adserver.

How do I fix CVE-2025-27208?

No fix has been published for CVE-2025-27208 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-2025-27208 being exploited?

There is no known exploitation of CVE-2025-27208 in the wild and no public exploit code.

All Revive-Adserver Revive Adserver vulnerabilities

Sources

Also known as GHSA-2hxf-5ppp-g398.

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