Mozilla Firefox 2.0.0.14, and other versions before 2.0.0.17, allows remote attackers to bypass cross-site scripting (XSS) protection…

Description

Mozilla Firefox 2.0.0.14, and other versions before 2.0.0.17, allows remote attackers to bypass cross-site scripting (XSS) protection mechanisms and conduct XSS attacks via HTML-escaped low surrogate characters that are ignored by the HTML parser, as demonstrated by a "jav&#56325ascript" sequence, aka "HTML escaped low surrogates bug."

Scores

EPSS (exploitation in 30 days)

1.8% · top 22% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a
• CWE-79 (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• n/a

  • affected n/a

References (44)

• http://www.mozilla.org/security/announce/2008/mfsa2008-43.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 32025 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSA:2008-269-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• oval:org.mitre.oval:def:8880 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 1020920 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• JVNDB-2011-000058 (opens in a new tab)third-party-advisoryx_refsource_JVNDBx_transferred
• FEDORA-2008-8401 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• USN-645-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.thespanner.co.uk/2008/06/30/javascript-protocol-fuzz-results/ (opens in a new tab)x_refsource_MISCx_transferred
• MDVSA-2008:206 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 32144 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 32010 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2009-0977 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• USN-645-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 31346 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 31985 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2008:050 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 31984 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 32185 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 32196 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=448166 (opens in a new tab)x_refsource_CONFIRMx_transferred
• firefox-htmlparser-security-bypass(45358) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• DSA-1669 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 32042 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-2661 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• SSA:2008-269-02 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• 256408 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• 32092 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDVSA-2008:205 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://download.novell.com/Download?buildid=WZXONb-tqBw~ (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2008-8429 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• JVN#96950482 (opens in a new tab)third-party-advisoryx_refsource_JVNx_transferred
• USN-647-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 32007 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2008:0882 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 32845 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://blogs.technet.com/bluehat/archive/2008/08/14/targeted-fuzzing.aspx (opens in a new tab)x_refsource_MISCx_transferred
• DSA-1649 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 32012 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSA:2008-270-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• 32044 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2008:0908 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 34501 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 32082 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2008-4066](https://trackcve.app/badge/CVE-2008-4066.svg)](https://trackcve.app/cve/CVE-2008-4066)

Record last updated 7 Aug 2024, 10:00 UTC.