Vulnerability Details : CVE-2009-4142

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.
Vulnerability category: Cross site scripting (XSS)
Published 2009-12-21 16:30:00
Updated 2018-10-30 16:26:21
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2009-4142

Probability of exploitation activity in the next 30 days: 2.00%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 87 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-4142

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
[email protected]

CWE ids for CVE-2009-4142

References for CVE-2009-4142

Products affected by CVE-2009-4142

This web site uses cookies for managing your session and website analytics (Google analytics) purposes as described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!