Cross-site scripting (XSS) vulnerability in Softcomplex PHP Event Calendar 1.5 allows remote authenticated users to inject arbitrary web script or HTML, and corrupt data, via the (1) username and (2) password parameters, which are not sanitized before being written to users.php. NOTE: while this issue was originally reported as XSS, the primary issue might be direct static code injection with resultant XSS.
Conclusion & alert: CVE-2006-0657 is rated Low Risk (36.2/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.11%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 0.39% | 1.11% | +0.72% |
| 2 | 2025-03-30 | 0.31% | 0.39% | +0.09% |
| 3 | 2025-03-29 | — | 0.31% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| softcomplex | php_event_calendar | 1.5 | cpe:2.3:a:softcomplex:php_event_calendar:1.5:*:*:*:*:*:*:* |