CVE-2026-21663

Source
https://cve.org/CVERecord?id=CVE-2026-21663
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21663.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-21663
Published
2026-01-20T20:48:47Z
Modified
2026-10-28T02:31:02Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

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.

Database specific
{
    "cna_assigner":  "hackerone",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21663.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "6"
                        },
                        {
                            "last_affected":  "6.0.4"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/revive-adserver/revive-adserver

Affected ranges

Type
GIT
Repo
https://github.com/revive-adserver/revive-adserver
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:aquaplatform:revive_adserver:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "6.0.0"
                },
                {
                    "last_affected":  "6.0.4"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

Affected versions

v6.*
v6.0.0
v6.0.1
v6.0.2
v6.0.3
v6.0.4

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21663.json"