CVE-2026-44961

{"id": "CVE-2026-44961", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44961", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-23T17:32:45.247422Z"}}], "cvssMetricV30": [{"type": "Secondary", "source": "support@hackerone.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 0.0, "attackVector": "NETWORK", "baseSeverity": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 0.0, "exploitabilityScore": 3.9}]}, "affected": [{"source": "support@hackerone.com", "affectedData": [{"vendor": "Revive", "product": "Adserver", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "6.0.6"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-23T17:17:00.340", "references": [{"url": "https://hackerone.com/reports/3680090", "source": "support@hackerone.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "The XML\u2011RPC API addUser method has a validation bypass introduced in the fix for CVE\u20112025\u201155129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing."}], "lastModified": "2026-06-25T19:52:36.573", "sourceIdentifier": "support@hackerone.com"}