CVE-2004-1315
7.5
CVSS v2.0 Base Score
85.91%
HIGH RiskEPSS (99th percentile)
NVD-CWE-Other
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: 11/12/2004
Modified: 4/16/2026
Vulnerability Summary
CVSS v2 Score
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Score (Exploitation Probability)
85.91%HIGH Exploitation Risk
99th percentile
This vulnerability has a 85.91% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.
CWE Classification
NVD-CWE-Other