CVE-2026-21663
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-02-03

Assigner: HackerOne

Description
HackerOne community member Patrick Lang (7yr) has reported a reflected XSS vulnerability in the banner-acl.php script 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.
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Meta Information
Published
2026-01-20
Last Modified
2026-02-03
Generated
2026-06-16
AI Q&A
2026-01-20
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21663
EUVD
EUVD-2026-3330
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
aquaplatform revive_adserver From 6.0.0 (inc) to 6.0.4 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a reflected Cross-Site Scripting (XSS) issue in the banner-acl.php script of Revive Adserver. An attacker can create a specially crafted URL containing malicious HTML code in a parameter. When a logged-in administrator clicks this URL, the malicious code is executed in their browser.

Impact Analysis

If exploited, this vulnerability can allow an attacker to execute malicious scripts in the browser of a logged-in administrator. This can lead to unauthorized actions, theft of sensitive information, session hijacking, or other malicious activities within the Revive Adserver environment.

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