CVE-2013-0794

CVE-2013-0794 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

• Severity: Medium (CVSS 2.0 base score 5.8)
• EPSS exploit prediction: 1% (61st percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Mozilla Firefox
• Published: 2013-04-03
• Last modified: 2026-06-16

Description

Mozilla Firefox before 20.0 and SeaMonkey before 2.17 do not prevent origin spoofing of tab-modal dialogs, which allows remote attackers to conduct phishing attacks via a crafted web site.

Frequently asked questions

What is CVE-2013-0794?

Mozilla Firefox before 20.0 and SeaMonkey before 2.17 do not prevent origin spoofing of tab-modal dialogs, which allows remote attackers to conduct phishing attacks via a crafted web site.

How severe is CVE-2013-0794?

CVE-2013-0794 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2013-0794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-0794?

CVE-2013-0794 primarily affects Mozilla Firefox. In total, 138 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-0794?

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

When was CVE-2013-0794 published?

CVE-2013-0794 was published on 2013-04-03 and last updated on 2026-06-16.

References

• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html
• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00019.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00012.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-37.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=626775
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17065

Affected products (138)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:beta4:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:alpha_1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:alpha_2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:alpha_3:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:beta_1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:beta_2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:alpha1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:alpha2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:alpha3:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:beta1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:beta2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:beta3:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:rc1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.1:rc2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.2:beta1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.2:beta2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.2:beta3:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.3:*:*:*:*:*:*:*

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