CVE-2026-44961

CVSS 0 NONEEPSS 0.3%CWE-287

The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N

Affected products

Revive · Adserver

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References

https://hackerone.com/reports/3680090