Vulnerability Details CVE-2005-3420
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.023
EPSS Ranking 84.1%
CVSS Severity
CVSS v2 Score 7.5
Products affected by CVE-2005-3420
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cpe:2.3:a:phpbb_group:phpbb:2.0.0
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cpe:2.3:a:phpbb_group:phpbb:2.0.1
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cpe:2.3:a:phpbb_group:phpbb:2.0.10
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cpe:2.3:a:phpbb_group:phpbb:2.0.11
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cpe:2.3:a:phpbb_group:phpbb:2.0.12
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cpe:2.3:a:phpbb_group:phpbb:2.0.13
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cpe:2.3:a:phpbb_group:phpbb:2.0.14
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cpe:2.3:a:phpbb_group:phpbb:2.0.15
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cpe:2.3:a:phpbb_group:phpbb:2.0.16
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cpe:2.3:a:phpbb_group:phpbb:2.0.17
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cpe:2.3:a:phpbb_group:phpbb:2.0.2
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cpe:2.3:a:phpbb_group:phpbb:2.0.3
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cpe:2.3:a:phpbb_group:phpbb:2.0.4
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cpe:2.3:a:phpbb_group:phpbb:2.0.5
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cpe:2.3:a:phpbb_group:phpbb:2.0.6
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cpe:2.3:a:phpbb_group:phpbb:2.0.6c
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cpe:2.3:a:phpbb_group:phpbb:2.0.6d
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cpe:2.3:a:phpbb_group:phpbb:2.0.7
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cpe:2.3:a:phpbb_group:phpbb:2.0.7a
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cpe:2.3:a:phpbb_group:phpbb:2.0.8
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cpe:2.3:a:phpbb_group:phpbb:2.0.8a
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cpe:2.3:a:phpbb_group:phpbb:2.0.9
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cpe:2.3:a:phpbb_group:phpbb:2.0_beta1
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cpe:2.3:a:phpbb_group:phpbb:2.0_rc1
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cpe:2.3:a:phpbb_group:phpbb:2.0_rc2
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cpe:2.3:a:phpbb_group:phpbb:2.0_rc3
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cpe:2.3:a:phpbb_group:phpbb:2.0_rc4