CVE-2006-5453

CVE-2006-5453 is a low-severity vulnerability in Mozilla Bugzilla with a CVSS 2.0 base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Low (CVSS 2.0 base score 3.5)
• EPSS exploit prediction: 2% (77th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Mozilla Bugzilla
• Published: 2006-10-23
• Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Bugzilla 2.18.x before 2.18.6, 2.20.x before 2.20.3, 2.22.x before 2.22.1, and 2.23.x before 2.23.3 allow remote authenticated users to inject arbitrary web script or HTML via (1) page headers using the H1, H2, and H3 HTML tags in global/header.html.tmpl, (2) description fields of certain items in various edit cgi scripts, and (3) the id parameter in showdependencygraph.cgi.

Frequently asked questions

What is CVE-2006-5453?

Multiple cross-site scripting (XSS) vulnerabilities in Bugzilla 2.18.x before 2.18.6, 2.20.x before 2.20.3, 2.22.x before 2.22.1, and 2.23.x before 2.23.3 allow remote authenticated users to inject arbitrary web script or HTML via (1) page headers using the H1, H2, and H3 HTML tags in global/header.html.tmpl, (2) description fields of certain items in various edit cgi scripts, and (3) the id parameter in showdependencygraph.cgi.

How severe is CVE-2006-5453?

CVE-2006-5453 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2006-5453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5453?

CVE-2006-5453 primarily affects Mozilla Bugzilla. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-5453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-5453 published?

CVE-2006-5453 was published on 2006-10-23 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/22409
• http://secunia.com/advisories/22790
• http://secunia.com/advisories/22826
• http://security.gentoo.org/glsa/glsa-200611-04.xml
• http://securityreason.com/securityalert/1760
• http://securitytracker.com/id?1017063
• http://www.bugzilla.org/security/2.18.5/
• http://www.debian.org/security/2006/dsa-1208
• http://www.osvdb.org/29544
• http://www.osvdb.org/29545
• http://www.osvdb.org/29549
• http://www.securityfocus.com/archive/1/448777/100/100/threaded
• http://www.securityfocus.com/bid/20538
• http://www.vupen.com/english/advisories/2006/4035
• https://bugzilla.mozilla.org/show_bug.cgi?id=206037
• https://bugzilla.mozilla.org/show_bug.cgi?id=330555
• https://bugzilla.mozilla.org/show_bug.cgi?id=355728
• https://exchange.xforce.ibmcloud.com/vulnerabilities/29610
• https://exchange.xforce.ibmcloud.com/vulnerabilities/29619

Affected products (18)

• cpe:2.3:a:mozilla:bugzilla:2.18:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18:rc1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18:rc2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18:rc3:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.18.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.20:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.20:rc1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.20:rc2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.20.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.20.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.22:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.23:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.23.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.23.2:*:*:*:*:*:*:*

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