The server for 53KF Web IM 2009 Home, Professional, and Enterprise editions relies on client-side protection mechanisms against cross-site scripting (XSS), which allows remote attackers to conduct XSS attacks by using a modified client to send a crafted IM message, related to the msg variable.
Conclusion & alert: CVE-2009-0247 is rated Low Risk (38.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.02%). 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 | 0.25% | 1.02% | +0.77% |
| 2 | 2025-03-17 | 0.19% | 0.25% | +0.06% |
| 3 | 2023-03-07 | — | 0.19% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| 53kf | web_im_2009 | _nil_ | cpe:2.3:a:53kf:web_im_2009:_nil_:enterprise:*:*:*:*:*:* |
| 53kf | web_im_2009 | _nil_ | cpe:2.3:a:53kf:web_im_2009:_nil_:home:*:*:*:*:*:* |
| 53kf | web_im_2009 | _nil_ | cpe:2.3:a:53kf:web_im_2009:_nil_:professional:*:*:*:*:*:* |