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CVE-2011-3356

17
FAUCET Score

CVE-2011-3356 describes multiple cross-site scripting (XSS) vulnerabilities in MantisBT before version 1.2.8, specifically within the config_defaults_inc.php file. Attackers can inject arbitrary web script or HTML via the PATH_INFO parameter in various PHP scripts. This vulnerability has a CVSS score of 4.3, indicating medium attack complexity and potential for partial integrity impact, requiring no authentication. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.7CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*
0.19.3CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:0.19.3:*:*:*:*:*:*:*
0.19.4CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:0.19.4:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:1.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.82%
Probability of exploitation in next 30 days
EPSS Percentile
76.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0182 is in the 57th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

fedorapatch availablevia nvd_reference
View patch
github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

References

bugs.debian.org / cgi-bin/bugreport.cgi
ExploitPatch
lists.debian.org / debian-security-tracker/2011/09/msg00012.html
Exploit
lists.fedoraproject.org / pipermail/package-announce/2011-September/066061.html
ExploitPatch
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
secunia.com / advisories/51199
security.gentoo.org / glsa/glsa-201211-01.xml
securityreason.com / securityalert/8392
exchange.xforce.ibmcloud.com / vulnerabilities/69587
github.com / mantisbt/mantisbt/commit/d00745f5e267eba4ca34286d125de685bc3a8034
Patch
htbridge.ch / advisory/multiple_vulnerabilities_in_mantisbt.html
Exploit
mantisbt.org / bugs/view.php
Exploit
mantisbt.org / bugs/view.php
Exploit
openwall.com / lists/oss-security/2011/09/04/1
Exploit
openwall.com / lists/oss-security/2011/09/09/9
Exploit
securityfocus.com / archive/1/519547/100/0/threaded
securityfocus.com / bid/49448