CVE-2005-3420

HighCVSS 7.5/10Last modified Jun 16, 2026

Description

usercp_register.php in phpBB 2.0.17 allows remote attackers to modify regular expressions and execute PHP code via the signature_bbcode_uid parameter, as demonstrated by injecting an "e" modifier into a preg_replace statement.

Metrics

CVSS 2.0 7.5/10AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected software

No affected versions have been published.

Timeline

Published
Nov 1, 2005
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2005-3420: High severity, CVSS 7.5 | Vulnix