CVE-2008-0593

CVE-2008-0593 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-200.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (79th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-200
• Affected product: Mozilla Firefox
• Published: 2008-02-09
• Last modified: 2026-06-16

Description

Gecko-based browsers, including Mozilla Firefox before 2.0.0.12 and SeaMonkey before 1.1.8, modify the .href property of stylesheet DOM nodes to the final URI of a 302 redirect, which might allow remote attackers to bypass the Same Origin Policy and read sensitive information from the original URL, such as with Single-Signon systems.

Frequently asked questions

What is CVE-2008-0593?

Gecko-based browsers, including Mozilla Firefox before 2.0.0.12 and SeaMonkey before 1.1.8, modify the .href property of stylesheet DOM nodes to the final URI of a 302 redirect, which might allow remote attackers to bypass the Same Origin Policy and read sensitive information from the original URL, such as with Single-Signon systems.

How severe is CVE-2008-0593?

CVE-2008-0593 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-0593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0593?

CVE-2008-0593 primarily affects Mozilla Firefox. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-0593?

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

When was CVE-2008-0593 published?

CVE-2008-0593 was published on 2008-02-09 and last updated on 2026-06-16.

References

• http://browser.netscape.com/releasenotes/
• http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00006.html
• http://secunia.com/advisories/28754
• http://secunia.com/advisories/28758
• http://secunia.com/advisories/28766
• http://secunia.com/advisories/28815
• http://secunia.com/advisories/28818
• http://secunia.com/advisories/28839
• http://secunia.com/advisories/28864
• http://secunia.com/advisories/28865
• http://secunia.com/advisories/28877
• http://secunia.com/advisories/28879
• http://secunia.com/advisories/28924
• http://secunia.com/advisories/28939
• http://secunia.com/advisories/28958
• http://secunia.com/advisories/29049
• http://secunia.com/advisories/29086
• http://secunia.com/advisories/29167
• http://secunia.com/advisories/29567
• http://secunia.com/advisories/30327
• http://secunia.com/advisories/30620
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-238492-1
• http://support.novell.com/techcenter/psdb/6251b18e050302ebe7fe74294b55c818.html
• http://wiki.rpath.com/Advisories:rPSA-2008-0051
• http://www.debian.org/security/2008/dsa-1484
• http://www.debian.org/security/2008/dsa-1485
• http://www.debian.org/security/2008/dsa-1489
• http://www.debian.org/security/2008/dsa-1506
• http://www.gentoo.org/security/en/glsa/glsa-200805-18.xml
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:048

Affected products (37)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.5.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.5.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:2.0.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:2.0.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:alpha:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:beta:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:dev:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.99:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.11:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.13:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.14:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.15:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1.16:*:*:*:*:*:*:*

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