CVE-2010-3177

CVE-2010-3177 is a medium-severity vulnerability in Mozilla Firefox 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

Description

Multiple cross-site scripting (XSS) vulnerabilities in the Gopher parser in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, and SeaMonkey before 2.0.9, allow remote attackers to inject arbitrary web script or HTML via a crafted name of a (1) file or (2) directory on a Gopher server.

Frequently asked questions

What is CVE-2010-3177?
Multiple cross-site scripting (XSS) vulnerabilities in the Gopher parser in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, and SeaMonkey before 2.0.9, allow remote attackers to inject arbitrary web script or HTML via a crafted name of a (1) file or (2) directory on a Gopher server.
How severe is CVE-2010-3177?
CVE-2010-3177 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-3177 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3177?
CVE-2010-3177 primarily affects Mozilla Firefox. In total, 148 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3177?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3177 published?
CVE-2010-3177 was published on 2010-10-21 and last updated on 2026-06-16.

References

Affected products (148)

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