CVE-2004-0595 Information
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The strip_tags function in PHP 4.x up to 4.3.7 and 5.x up to 5.0.0RC3 does not filter null (\0) characters within tag names when restricting input to allowed tags which allows dangerous tags to be processed by web browsers such as Internet Explorer and Safari which ignore null characters and facilitate the exploitation of cross-site scripting (XSS) vulnerabilities.
Reference
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000847 http://lists.grok.org.uk/pipermail/full-disclosure/2004-July/023909.html http://marc.info/?l=bugtraq&m=108981780109154&w=2 http://marc.info/?l=bugtraq&m=108982983426031&w=2 http://marc.info/?l=bugtraq&m=109051444105182&w=2 http://marc.info/?l=bugtraq&m=109181600614477&w=2 http://www.debian.org/security/2004/dsa-531 http://www.debian.org/security/2005/dsa-669 http://www.gentoo.org/security/en/glsa/glsa-200407-13.xml http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:068 http://www.novell.com/linux/security/advisories/2004_21_php4.html http://www.redhat.com/support/errata/RHSA-2004-392.html http://www.redhat.com/support/errata/RHSA-2004-395.html http://www.redhat.com/support/errata/RHSA-2004-405.html http://www.redhat.com/support/errata/RHSA-2005-816.html http://www.securityfocus.com/bid/10724 https://exchange.xforce.ibmcloud.com/vulnerabilities/16692 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10619