Is CVE-2008-5023 being actively exploited?

CVE-2008-5023 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-5023?

CVE-2008-5023 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2008-5023

HIGH · CVSS 7.5EPSS 3.3%EU EUVD

Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to bypass the protection mechanism for codebase principals and execute arbitrary script via the -moz-binding CSS property in a signed JAR file.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-20
EPSS score: 3.3% (88th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-5002)
Published: November 13, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-5002 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
mozilla / firefox
mozilla / seamonkey

References

http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html(Third Party Advisory)
http://secunia.com/advisories/32684(Third Party Advisory)
http://secunia.com/advisories/32693(Third Party Advisory)
http://secunia.com/advisories/32694(Third Party Advisory)
http://secunia.com/advisories/32695(Third Party Advisory)
http://secunia.com/advisories/32713(Third Party Advisory)
http://secunia.com/advisories/32714(Third Party Advisory)
http://secunia.com/advisories/32721(Third Party Advisory)
http://secunia.com/advisories/32778(Third Party Advisory)
http://secunia.com/advisories/32845(Third Party Advisory)
http://secunia.com/advisories/32853(Third Party Advisory)
http://secunia.com/advisories/34501(Third Party Advisory)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1(Broken Link)
http://ubuntu.com/usn/usn-667-1(Third Party Advisory)
http://www.debian.org/security/2008/dsa-1669(Third Party Advisory)
http://www.debian.org/security/2008/dsa-1671(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:228(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:230(Third Party Advisory)
http://www.mozilla.org/security/announce/2008/mfsa2008-57.html(Vendor Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0977.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0978.html(Third Party Advisory)
http://www.securityfocus.com/bid/32281(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1021189(Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA08-319A.html(Third Party Advisory, US Government Resource)
http://www.vupen.com/english/advisories/2008/3146(Third Party Advisory)
http://www.vupen.com/english/advisories/2009/0977(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=424733(Issue Tracking, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9908(Third Party Advisory)
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00366.html(Third Party Advisory)
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00385.html(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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