CVE-2026-21664: Revive Adserver vulnerability
Revive · Revive Adserver
Affected: Revive Adserver · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 10% of scored CVEs
DescriptionCVE.org
HackerOne community member Huynh Pham Thanh Luc (nigh7c0r3) has reported a reflected XSS vulnerability in the afr.php delivery 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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Revive · Revive Adserverfrom 6 up to and including 6.0.4
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Cross-site Scripting
- Vendor
- Revive
- Published
- January 2026
- Bounty reports
- 1 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2026-21664
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- Reflected XSS in afr.phpRevive Adserver · 2026 · medium severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2026-21664 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.