CVE-2011-3356

Multiple cross-site scripting (XSS) vulnerabilities in config_defaults_inc.php in MantisBT before...

4.3 Medium

Multiple cross-site scripting (XSS) vulnerabilities in config_defaults_inc.php in MantisBT before 1.2.8 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO, as demonstrated by the PATH_INFO to (1) manage_config_email_page.php, (2) manage_config_workflow_page.php, or (3) bugs/plugin.php.

Exploit likelihood

2.91%Down 0.5 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2011-3356
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-3356
Updated: 2026-11-02

EUVDEUVD-2011-3320 No score

Record: EUVD-2011-3320
Updated: 2026-11-03

GitHub AdvisoriesGHSA-97r3-f3fh-2pjg No score

Multiple cross-site scripting (XSS) vulnerabilities in config_defaults_inc.php in MantisBT before...

Record: GHSA-97r3-f3fh-2pjg
Weakness: CWE-79
Updated: 2026-11-02

Affected products

mantisbt

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-3356 is a medium vulnerability (CVSS 4.3) in Mantisbt, published September 21, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.91%, the 87th percentile. No source names a fixed version.

References

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