perfex crm 1.10 is vulnerable to Cross Site Scripting (XSS) via /clients/profile.
Priority MEDIUM 58CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
perfex crm 1.10 is vulnerable to Cross Site Scripting (XSS) via /clients/profile.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00641 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:perfexcrm:perfex_crm:1.10:*:*:*:*:*:*:* | 1.10 | Vulnerable | Perfex CRM |
- cpe:2.3:a:perfexcrm:perfex_crm:1.10:*:*:*:*:*:*:* Versions 1.10 Vulnerable ·Perfex CRM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40303
- 2026-10-03 Alias added: GHSA-36vh-mp6p-rrp2
- 2026-11-05 EPSS moved to the 50th–90th percentile
References
More Perfex Crm vulnerabilities
- TI-2024-30018 A stored cross-site scripting (XSS) vulnerability in the Discussion section of Perfex CRM… CVSS 3.1MEDIUM 5.4
- TI-2024-08233 Perfex CRM Parameter Clients.php cross site scripting CVSS 4.0MEDIUM 5.3
- TI-2025-02818 CodeCanyon Perfex CRM Project Discussions Module 2 cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2025-02589 CodeCanyon Perfex CRM Contracts contract cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2017-13194 In Utilities.php in Perfex CRM 1.9.7, Unrestricted file upload can lead to remote code execution. CVSS 3.0CRITICAL 9.8
- TI-2025-09487 HTML injection in Perfex CRM CVSS 4.0MEDIUM 5.3
Sources
- CVE-2021-40303 · CVE Program
- CVE-2021-40303 · NVD
- FIRST EPSS
- GHSA-36vh-mp6p-rrp2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences