VULNERABILITY INTELLIGENCE

CVE-2005-3420

CVSS score7.5 HIGH
EPSS probability2.37%
CISA KEVNot currently listed
Published2005-11-01
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P

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.

Primary references