{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-21664", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-01-02T15:00:02.871Z", "datePublished": "2026-01-20T20:48:47.976Z", "dateUpdated": "2026-01-21T20:45:35.234Z" }, "containers": { "cna": { "descriptions": [ { "lang": "en", "value": "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": [ { "defaultStatus": "unaffected", "vendor": "Revive", "product": "Revive Adserver", "versions": [ { "version": "6", "status": "affected", "lessThanOrEqual": "6.0.4", "versionType": "semver" } ] } ], "references": [ { "url": "https://hackerone.com/reports/3468169" } ], "metrics": [ { "cvssV3_0": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM" } } ], "providerMetadata": { "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-01-20T20:48:47.976Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-79", "lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-21T20:44:13.874346Z", "id": "CVE-2026-21664", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-21T20:45:35.234Z" } } ] } }