PHP remote file inclusion vulnerability in cal_config.inc.php in Calendarix 0.7.20060401 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the calpath parameter. NOTE: this issue has been disputed by a third party, who says that the affected $calpath variable is set to a constant value in the beginning of the script. CVE concurs that the initial report is invalid
Conclusion & alert: CVE-2006-4135 is rated Moderate Risk (57.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.90%). Mandatory action: Review affected assets and schedule remediation.
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 | 1.64% | 1.90% | +0.26% |
| 2 | 2025-09-15 | 1.27% | 1.64% | +0.37% |
| 3 | 2025-09-07 | — | 1.27% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2006-4135: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-4135 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| vincent_hor | calendarix | <= 0.7.2006-04-01 | cpe:2.3:a:vincent_hor:calendarix:*:*:*:*:*:*:*:* |