Cross-site scripting (XSS) vulnerability in ProjectForge before 3.5.3 allows remote authenticated users to inject arbitrary web script or HTML via a validation message.
Conclusion & alert: CVE-2011-5269 is rated Low Risk (35.9/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.07%). 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 | 0.22% | 1.07% | +0.84% |
| 2 | 2025-03-17 | 0.07% | 0.22% | +0.16% |
| 3 | 2023-03-07 | — | 0.07% | — |
Full EPSS history (4 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 |
|---|---|---|---|
| projectforge | projectforge | <= 3.5.2 | cpe:2.3:a:projectforge:projectforge:*:*:*:*:*:*:*:* |
| projectforge | projectforge | 3.4.0 | cpe:2.3:a:projectforge:projectforge:3.4.0:*:*:*:*:*:*:* |
| projectforge | projectforge | 3.4.1 | cpe:2.3:a:projectforge:projectforge:3.4.1:*:*:*:*:*:*:* |
| projectforge | projectforge | 3.4.2 | cpe:2.3:a:projectforge:projectforge:3.4.2:*:*:*:*:*:*:* |
| projectforge | projectforge | 3.4.3 | cpe:2.3:a:projectforge:projectforge:3.4.3:*:*:*:*:*:*:* |
| projectforge | projectforge | 3.5.0 | cpe:2.3:a:projectforge:projectforge:3.5.0:*:*:*:*:*:*:* |
| projectforge | projectforge | 3.5.1 | cpe:2.3:a:projectforge:projectforge:3.5.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.projectforge.org/pf-en/News | Vendor Advisory |
| https://www.projectforge.org/jira/browse/PF-185 |