CVE-2026-31845
CriticalCVSS 9.3Exploitation Probability (EPSS)
Low risk40th percentile - higher than 40% of all known CVEs
Summary
Rukovoditel CRM version 3.6.4 and earlier contains a reflected cross-site scripting (XSS) vulnerability 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.
Risk Assessment
An attacker can inject a malicious script that executes in the victim's browser, potentially leading to session theft, account takeover, or other attacks.
Recommendation
Update Rukovoditel CRM to the latest version. Additionally, apply proper output encoding and input sanitization.
Original NVD description (English source)
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.

