CVE-2026-31845

CriticalCVSS 9.3/10Last modified Aug 10, 2026

Description

A reflected cross-site scripting (XSS) vulnerability exists in Rukovoditel CRM version 3.6.4 and earlier in the Zadarma telephony API endpoint (/api/tel/zadarma.php). The application directly reflects user-supplied input from the 'zd_echo' GET parameter into the HTTP response without proper sanitization, output encoding, or content-type restrictions.

Metrics

CVSS 3.1 9.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Apr 11, 2026
Last modified: Aug 10, 2026
NVD status: Deferred

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