Is CVE-2004-1315 in the CISA KEV catalog?

No. CVE-2004-1315 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-1315?

CVE-2004-1315 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2004-1315?

CVE-2004-1315 has an EPSS score of 71.90% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2004-1315

HIGHEPSS 99th pctl

7.5

CVSS v2

NVD

Description

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.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

71.90%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.