Is CVE-2013-0759 in the CISA KEV catalog?

No. CVE-2013-0759 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-0759?

CVE-2013-0759 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2013-0759?

CVE-2013-0759 has an EPSS score of 2.28% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-0759?

Upgrade DeveloperEdition to 10.0.12 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2013-0759

MEDIUMEPSS 81th pctl

5.0

CVSS v2

NVD

Description

Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 allow remote attackers to spoof the address bar via vectors involving authentication information in the userinfo field of a URL, in conjunction with a 204 (aka No Content) HTTP status code.

CWE-287Improper Authentication

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:10.0 10.0.12Fixed in:10.0.12Mozilla

Affected:18.0Fixed in:18.0Mozilla

Affected:17.0 17.0.2Fixed in:17.0.2Mozilla

Mozilla Firefox (en-US)Windows application

Affected:17.0 17.0.2Fixed in:17.0.2Mozilla

Affected:10.0 10.0.12Fixed in:10.0.12Mozilla

Affected:18.0Fixed in:18.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:17.0.2Fixed in:17.0.2Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.28%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

bugzilla.mozilla.org

Vendor Advisory1

mozilla.org

Third-Party Advisory10

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.