CVE-2011-5269

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.

Published: 2014-01-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2011-5269

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5269

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
6.8 2.9 [email protected]

Weakness enumeration for CVE-2011-5269

Affected software / configurations for CVE-2011-5269

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:*:*:*:*:*:*:*

References for CVE-2011-5269

cvelogic Threat Intelligence