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The htmlspecialchars function in PHP before 5.2.12 does not properly handle (1) overlong UTF-8 sequences (2) invalid Shift_JIS sequences and (3) invalid EUC-JP sequences which allows remote attackers to conduct cross-site scripting (XSS) attacks by placing a crafted byte sequence before a special character.

oval:org.mitre.oval:def:10005

The htmlspecialchars function in PHP before 5.2.12 does not properly handle (1) overlong UTF-8 sequences (2) invalid Shift_JIS sequences and (3) invalid EUC-JP sequences which allows remote attackers to conduct cross-site scripting (XSS) attacks by placing a crafted byte sequence before a special character.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • CentOS Linux 5
  • Red Hat Enterprise Linux 3
  • CentOS Linux 4
  • Oracle Linux 4
  • CentOS Linux 3
  • Oracle Linux 5
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2009-4142
Product(s):