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.
Max CVSS
4.3
EPSS Score
2.00%
Published
2009-12-21
Updated
2018-10-30
1 vulnerabilities found
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