Multiple directory traversal vulnerabilities in connector.php in FCKeditor 2.0 FC, as used in products such as RunCMS, allow remote attackers to list and create arbitrary directories via a .. (dot dot) in the CurrentFolder parameter to (1) GetFoldersAndFiles and (2) CreateFolder.
Conclusion & alert: CVE-2006-0921 is rated Moderate Risk (48.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.47%). 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 | 2026-04-18 | 0.27% | 0.47% | +0.19% |
| 2 | 2025-03-17 | 0.53% | 0.27% | -0.26% |
| 3 | 2025-02-04 | — | 0.53% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |