CVE-2004-1315

CVE-2004-1315 is a high-severity vulnerability in Phpbb Group Phpbb with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

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.

Frequently asked questions

What is CVE-2004-1315?
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.
How severe is CVE-2004-1315?
CVE-2004-1315 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-1315 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1315?
CVE-2004-1315 primarily affects Phpbb Group Phpbb. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1315?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-1315 published?
CVE-2004-1315 was published on 2004-11-12 and last updated on 2026-06-16.

References

Affected products (29)

More vulnerabilities in Phpbb Group Phpbb

All CVEs affecting Phpbb Group Phpbb →