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Fencer Intel
medium 4.3

CVE-2011-3358 json

Multiple cross-site scripting (XSS) vulnerabilities in MantisBT before 1.2.8 allow remote attackers to inject arbitrary web script or HTML…

published 2011-09-21 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3322

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in MantisBT before 1.2.8 allow remote attackers to inject arbitrary web script or HTML via the (1) os, (2) os_build, or (3) platform parameter to (a) bug_report_page.php or (b) bug_update_advanced_page.php, related to use of the Projax library.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-3358 updated cvss 5.8

mantis: multiple flaws fixed in 1.2.8

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.83% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • debian.org http://www.debian.org/security/2011/dsa-2308 referenced PoC, tagged "exploit" by a source, unverified
  • bugs.debian.org http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=640297 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=735514 referenced PoC, tagged "exploit" by a source, unverified
  • lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2011-September/066061.html referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2011/09/04/1 referenced PoC, tagged "exploit" by a source, unverified
  • htbridge.ch https://www.htbridge.ch/advisory/multiple_vulnerabilities_in_mantisbt.html referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2011/09/09/9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.