How severe is CVE-2010-4569?

CVE-2010-4569 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-4569 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4569?

CVE-2010-4569 primarily affects Mozilla Bugzilla. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4569?

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

When was CVE-2010-4569 published?

CVE-2010-4569 was published on 2011-01-28 and last updated on 2026-06-16.

CVE-2010-4569

CVE-2010-4569 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% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mozilla Bugzilla
Published: 2011-01-28
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Bugzilla 3.7.1, 3.7.2, 3.7.3, and 4.0rc1 allows remote attackers to inject arbitrary web script or HTML via the real name field of a user account, related to the AutoComplete widget in YUI.

Frequently asked questions

What is CVE-2010-4569?: Cross-site scripting (XSS) vulnerability in Bugzilla 3.7.1, 3.7.2, 3.7.3, and 4.0rc1 allows remote attackers to inject arbitrary web script or HTML via the real name field of a user account, related to the AutoComplete widget in YUI.
How severe is CVE-2010-4569?: CVE-2010-4569 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-4569 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4569?: CVE-2010-4569 primarily affects Mozilla Bugzilla. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4569?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4569 published?: CVE-2010-4569 was published on 2011-01-28 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:mozilla:bugzilla:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.7.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.7.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:4.0:rc1:*:*:*:*:*:*

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