CVE-2026-21663
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.
Published:Jan 20, 2026
Last Modified:Apr 18, 2026
EPS:Jan 20, 2026
EPSS Score:0.00037
CVSS Score:6.1
Affected Products
Vendor
Product
Action
Vendor
Aquaplatform
Product
Revive Adserver
Aquaplatform
Revive Adserver
Vendor
Revive
Product
Adserver
Revive
Adserver
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
