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.
References
History

Wed, 21 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 21 Jan 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Revive
Revive adserver
Vendors & Products Revive
Revive adserver

Tue, 20 Jan 2026 21:00:00 +0000

Type Values Removed Values Added
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.
References
Metrics cvssV3_0

{'score': 6.1, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2026-01-20T20:48:47.974Z

Updated: 2026-01-21T20:42:21.072Z

Reserved: 2026-01-02T15:00:02.870Z

Link: CVE-2026-21663

cve-icon Vulnrichment

Updated: 2026-01-21T20:42:10.635Z

cve-icon NVD

Status : Received

Published: 2026-01-20T21:16:06.443

Modified: 2026-01-21T21:16:08.473

Link: CVE-2026-21663

cve-icon Redhat

No data.