CVE-2013-5611

CVE-2013-5611 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Firefox before 26.0 does not properly remove the Application Installation doorhanger, which makes it easier for remote attackers to spoof a Web App installation site by controlling the timing of page navigation.

Frequently asked questions

What is CVE-2013-5611?
Mozilla Firefox before 26.0 does not properly remove the Application Installation doorhanger, which makes it easier for remote attackers to spoof a Web App installation site by controlling the timing of page navigation.
How severe is CVE-2013-5611?
CVE-2013-5611 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2013-5611 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5611?
CVE-2013-5611 primarily affects Mozilla Firefox. In total, 228 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5611?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5611 published?
CVE-2013-5611 was published on 2013-12-11 and last updated on 2026-06-16.

References

Affected products (228)

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