Multiple PHP remote file inclusion vulnerabilities in WebCalendar 0.9.45 allow remote attackers to execute arbitrary PHP code via a URL in the includedir parameter to (1) login.php, (2) get_reminders.php, or (3) get_events.php.
Conclusion & alert: CVE-2007-1483 is rated High Exploit Risk (71.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.06%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| 3492 | exploit_db | edb | 2007-03-15 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 8.44% | 4.06% | -4.38% |
| 2 | 2025-11-02 | 8.72% | 8.44% | -0.28% |
| 3 | 2025-10-07 | — | 8.72% | — |
Full EPSS history (15 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 |
|---|---|---|---|
ubuntu
|
medium | CVE-2007-1483 medium priority: Ubuntu including 1 source packages (webcalendar), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 5, ignored 2, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2007-1483 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| k5n | webcalendar | 0.9.45 | cpe:2.3:a:k5n:webcalendar:0.9.45:*:*:*:*:*:*:* |