How severe is CVE-2011-3657?

CVE-2011-3657 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-3657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3657?

CVE-2011-3657 primarily affects Mozilla Bugzilla. In total, 160 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3657?

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

When was CVE-2011-3657 published?

CVE-2011-3657 was published on 2012-01-02 and last updated on 2026-06-16.

CVE-2011-3657

CVE-2011-3657 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% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mozilla Bugzilla
Published: 2012-01-02
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Bugzilla 2.x and 3.x before 3.4.13, 3.5.x and 3.6.x before 3.6.7, 3.7.x and 4.0.x before 4.0.3, and 4.1.x through 4.1.3, when debug mode is used, allow remote attackers to inject arbitrary web script or HTML via vectors involving a (1) tabular report, (2) graphical report, or (3) new chart.

Frequently asked questions

What is CVE-2011-3657?: Multiple cross-site scripting (XSS) vulnerabilities in Bugzilla 2.x and 3.x before 3.4.13, 3.5.x and 3.6.x before 3.6.7, 3.7.x and 4.0.x before 4.0.3, and 4.1.x through 4.1.3, when debug mode is used, allow remote attackers to inject arbitrary web script or HTML via vectors involving a (1) tabular report, (2) graphical report, or (3) new chart.
How severe is CVE-2011-3657?: CVE-2011-3657 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-3657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3657?: CVE-2011-3657 primarily affects Mozilla Bugzilla. In total, 160 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3657 published?: CVE-2011-3657 was published on 2012-01-02 and last updated on 2026-06-16.

References

Affected products (160)

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:2.17:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
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:*:*:*:*:*:*

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