CVE-2007-3827

Name: CVE-2007-3827
Creator: NVD / NIST
Published: 2007-07-17T21:30:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.93%

Last modified Jun 16, 2026

CVE-2007-3827 is a vulnerability of currently unknown severity. Mozilla Firefox allows for cookies to be set with a null domain (aka "domainless cookies"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

Mozilla Firefox allows for cookies to be set with a null domain (aka "domainless cookies"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.

Metrics

EPSS Probability

0.93%

56.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	All versions

References

Timeline

Published: Jul 17, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-3827?

How severe is CVE-2007-3827?

Severity scoring for CVE-2007-3827 is pending analysis. The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2007-3827?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-3827?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST