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.
Metrics
Affected Vendors & Products
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Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://hackerone.com/reports/3470970 |
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History
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` 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. | |
| References |
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| Metrics |
cvssV3_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2026-01-20T20:48:48.079Z
Reserved: 2026-01-01T15:00:02.340Z
Link: CVE-2026-21642
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-01-20T21:16:06.310
Modified: 2026-01-20T21:16:06.310
Link: CVE-2026-21642
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.