CVE-2007-6589

CVE-2007-6589 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

The jar protocol handler in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 does not update the origin domain when retrieving the inner URL parameter yields an HTTP redirect, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a jar: URI, a different vulnerability than CVE-2007-5947.

Frequently asked questions

What is CVE-2007-6589?
The jar protocol handler in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 does not update the origin domain when retrieving the inner URL parameter yields an HTTP redirect, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a jar: URI, a different vulnerability than CVE-2007-5947.
How severe is CVE-2007-6589?
CVE-2007-6589 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-6589 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-2007-6589?
CVE-2007-6589 primarily affects Mozilla Firefox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6589?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6589 published?
CVE-2007-6589 was published on 2007-12-28 and last updated on 2026-06-16.

References

Affected products (2)

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