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Last updated: 5/29/2016 2:39:59 PM

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Vulnerability Summary for CVE-2005-4454

Original release date: 12/21/2005
Last revised: 09/05/2008


Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005, when the cleancss option is enabled, allows remote attackers to conduct cross-site scripting (XSS) attacks via a "\" (backslash) within a "javascript" scheme in a style property (such as "javas\cript"), which bypasses the "javascript" check before the "\" is stripped and then rendered in web browsers that allow scripting in style sheets.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

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External Source: BID
Name: 15990
External Source: CONFIRM
Name: http://cvs.livejournal.org/browse.cgi/livejournal/cgi-bin/cleanhtml.pl
External Source: XF
Name: livejournal-javascript-xss(23839)
External Source: FULLDISC
Name: 20051220 LiveJournal CSS/JS injection vulnerability
Type: Advisory; Patch Information
External Source: FULLDISC
Name: 20051219 LiveJournal CSS/JS injection vulnerability

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