CVE-2026-21663
- State
- Published
- Severity
- 6.1 Medium
- Published
- Jan 20, 2026
- Updated
- Jan 21, 2026
- Reserved
- Jan 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 6.1 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | hackerone |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Revive AdserverRevive |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.