CVE-2026-31845
Rukovoditel CRM Reflected XSS via zd_echo Parameter in Zadarma Telephony API Endpoint
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 11, 2026
- Updated
- Aug 10, 2026
- Reserved
- Mar 9, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS: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 |
| 3.1 | 9.3 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N | TuranSec |
| 2.0 | 6.4 Medium | AV:N/AC:L/Au:N/C:P/I:P/A:N | TuranSec |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
Affected Products
| Product | Versions |
|---|---|
Rukovoditel CRMRukovoditel |
|
References
- https://forum.rukovoditel.net/viewtopic.php?p=22499#p22499third-party-advisory
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