Rukovoditel CRM Reflected XSS via zd_echo Parameter in Zadarma Telephony API Endpoint
Priority HIGH 73CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00428 37th percentileScored 2026-11-07
Fix Fixed Rukovoditel CRM (Rukovoditel): 3.7
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rukovoditel | Rukovoditel CRM | 3.6.4 | 3.7 | Patch available | CNA |
- Rukovoditel CRM VendorRukovoditel Affected 3.6.4 Fixed in 3.7 Patch available CNA
Remediation
- Fix · CNA Rukovoditel CRM (Rukovoditel) Fixed in 3.7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-31845
- 2026-10-03 Alias added: GHSA-hxff-cjjh-cmf4
References
More Rukovoditel vulnerabilities
- TI-2022-23834 Rukovoditel v3.2.1 was discovered to contain a remote code execution (RCE) vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2022-22098 Rukovoditel v3.2.1 was discovered to contain a SQL injection vulnerability via the heading_field_id parameter. CVSS 3.1CRITICAL 9.8
- TI-2022-21064 Rukovoditel v3.2.1 was discovered to contain a SQL injection vulnerability via the reports_id parameter. CVSS 3.1CRITICAL 9.8
- TI-2022-21130 Rukovoditel v3.2.1 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1HIGH 8.8
- TI-2022-22128 Rukovoditel v3.2.1 was discovered to contain a DOM-based cross-site scripting (XSS)… CVSS 3.1HIGH 8.8
- TI-2020-10668 SQL injection in Rukovoditel Project Management App CVSS 3.1HIGH 7.2
Sources
- CVE-2026-31845 · CVE Program
- CVE-2026-31845 · NVD
- FIRST EPSS
- GHSA-hxff-cjjh-cmf4 · GitHub Advisory Database · CC BY 4.0
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