viewtopic.php in phpBB 2.x before 2.0.11 improperly URL decodes the highlight parameter when extracting words and phrases to highlight, which allows remote attackers to execute arbitrary PHP code by double-encoding the highlight value so that special characters are inserted into the result, which is then processed by PHP exec, as exploited by the Santy.A worm.
Published 2004-11-12 05:00:00
Updated 2017-07-11 01:30:55
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2004-1315

Probability of exploitation activity in the next 30 days: 96.27%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2004-1315

  • phpBB viewtopic.php Arbitrary Code Execution
    Disclosure Date: 2004-11-12
    First seen: 2020-04-26
    exploit/unix/webapp/phpbb_highlight
    This module exploits two arbitrary PHP code execution flaws in the phpBB forum system. The problem is that the 'highlight' parameter in the 'viewtopic.php' script is not verified properly and will allow an attacker to inject arbitrary code via preg_replace().

CVSS scores for CVE-2004-1315

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST

References for CVE-2004-1315

Products affected by CVE-2004-1315

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