CVE-2011-0911

Cross-site scripting (XSS) vulnerability in the Users module in Zikula before 1.2.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: it is possible that this overlaps CVE-2011-0535.

Published: 2011-02-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-0911 is rated Low Risk (36.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.85%). 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-2011-0911

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% 0.85% +0.63%
2 2025-03-30 0.27% 0.22% -0.04%
3 2025-03-29 0.27%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0911

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-0911

Affected software / configurations for CVE-2011-0911

Vendor Product Version Raw CPE
zikula zikula_application_framework <= 1.2.4 cpe:2.3:a:zikula:zikula_application_framework:*:*:*:*:*:*:*:*
zikula zikula_application_framework 1.1.2 cpe:2.3:a:zikula:zikula_application_framework:1.1.2:*:*:*:*:*:*:*
zikula zikula_application_framework 1.2.1 cpe:2.3:a:zikula:zikula_application_framework:1.2.1:*:*:*:*:*:*:*
zikula zikula_application_framework 1.2.2 cpe:2.3:a:zikula:zikula_application_framework:1.2.2:*:*:*:*:*:*:*
zikula zikula_application_framework 1.2.3 cpe:2.3:a:zikula:zikula_application_framework:1.2.3:*:*:*:*:*:*:*

References for CVE-2011-0911

cvelogic Threat Intelligence