Vulnerability CVE-2005-4454
Published: 2005-12-21   Modified: 2012-02-12

Description:
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.

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Livejournal -> Livejournal 

 References:
http://archives.neohapsis.com/archives/fulldisclosure/2005-12/1000.html
http://cvs.livejournal.org/browse.cgi/livejournal/cgi-bin/cleanhtml.pl
http://marc.info/?l=full-disclosure&m=113504421421972&w=2
http://www.securityfocus.com/bid/15990
https://exchange.xforce.ibmcloud.com/vulnerabilities/23839
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