by Kastro
Paper/Archive/CVE-2026-31845

CVE-2026-31845

Rukovoditel Rukovoditel CRM — Rukovoditel CRM Reflected XSS via zd_echo Parameter in Zadarma Telephony API Endpoint

EPSS 0.4%public exploitCVSS 9.3
critical.is priorityof 100
45
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 37.0.370 × 207.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Rukovoditel CRM3.6.43.7CNA

Scores by source

TuranSec (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
TuranSec (CNA)9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

writeupforum.rukovoditel.net/viewtopic.php?p=22499#p22499