CVE-2014-1573

CVE-2014-1573 is a medium-severity vulnerability in Mozilla Bugzilla with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (81st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Mozilla Bugzilla
• Published: 2014-10-13
• Last modified: 2026-06-17

Description

Bugzilla 2.x through 4.0.x before 4.0.15, 4.1.x and 4.2.x before 4.2.11, 4.3.x and 4.4.x before 4.4.6, and 4.5.x before 4.5.6 does not ensure that a scalar context is used for certain CGI parameters, which allows remote attackers to conduct cross-site scripting (XSS) attacks by sending three values for a single parameter name.

Frequently asked questions

What is CVE-2014-1573?

Bugzilla 2.x through 4.0.x before 4.0.15, 4.1.x and 4.2.x before 4.2.11, 4.3.x and 4.4.x before 4.4.6, and 4.5.x before 4.5.6 does not ensure that a scalar context is used for certain CGI parameters, which allows remote attackers to conduct cross-site scripting (XSS) attacks by sending three values for a single parameter name.

How severe is CVE-2014-1573?

CVE-2014-1573 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-1573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1573?

CVE-2014-1573 primarily affects Mozilla Bugzilla. In total, 207 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1573?

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

When was CVE-2014-1573 published?

CVE-2014-1573 was published on 2014-10-13 and last updated on 2026-06-17.

References

• http://advisories.mageia.org/MGASA-2014-0412.html
• http://blog.gerv.net/2014/10/new-class-of-vulnerability-in-perl-web-applications/
• http://lists.fedoraproject.org/pipermail/package-announce/2014-November/142524.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141309.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141321.html
• http://openwall.com/lists/oss-security/2014/10/07/20
• http://packetstormsecurity.com/files/128578/Bugzilla-Account-Creation-XSS-Information-Leak.html
• http://www.bugzilla.org/security/4.0.14/
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:200
• http://www.opennet.ru/opennews/art.shtml?num=40766
• http://www.reddit.com/r/netsec/comments/2ihen0/new_class_of_vulnerability_in_perl_web/
• http://www.securityfocus.com/bid/70257
• http://www.securitytracker.com/id/1030978
• https://bugzilla.mozilla.org/show_bug.cgi?id=1075578
• https://security.gentoo.org/glsa/201607-11

Affected products (207)

• cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.14:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.14.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.14.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.14.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.14.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.14.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16:rc1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16:rc2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.11:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16_rc2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.17.7:*:*:*:*:*:*:*

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