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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2009-12-21T16:00:00

Updated: 2017-09-18T12:57:01

Reserved: 2009-12-01T00:00:00


Link: CVE-2009-4142

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2009-12-21T16:30:00.343

Modified: 2018-10-30T16:26:21.043


Link: CVE-2009-4142

JSON object: View

cve-icon Redhat Information

No data.

CWE