An issue was discovered in EspoCRM before 5.6.6. Stored XSS exists due to lack of filtration of user-supplied data in Create User. A malicious attacker can modify the firstName and lastName to contain JavaScript code.
Conclusion & alert: CVE-2019-14331 is rated High Exploit Risk (63.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.33%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.02% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.31% | 1.33% | +1.02% |
| 2 | 2025-03-17 | 0.09% | 0.31% | +0.22% |
| 3 | 2023-03-07 | — | 0.09% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| http://www.cinquino.eu/EspoCRM.htm | Exploit Third Party Advisory |
| https://github.com/espocrm/espocrm/commit/4ab7d19776011288b875abd3eef1e1f6f75289e2 | Patch Third Party Advisory |
| https://github.com/espocrm/espocrm/compare/5.6.5...5.6.6 | Third Party Advisory |