CVE-2026-21642

Medium

Description

HackerOne community member Patrick Lang (7yr) has reported a reflected XSS vulnerability in the `banner-acl.php` and `channel-acl.php` scripts of Revive Adserver. An attacker can craft a specific URL that includes an HTML payload in a parameter. If a logged in administrator visits the URL, the HTML is sent to the browser and malicious scripts would be executed.

SeverityMedium
CVSS6.1
Exploit probability—
ProductAquaplatform Revive Adserver
PublishedJan 20, 2026
First seenJan 20, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
aquaplatform revive_adserverv ≤ 6.0.4—

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