CVE-2003-0559

CVE-2003-0559 is a high-severity vulnerability in Phpforum with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

mainfile.php in phpforum 2 RC-1, and possibly earlier versions, allows remote attackers to execute arbitrary PHP code by modifying the MAIN_PATH parameter to reference a URL on a remote web server that contains the code.

Frequently asked questions

What is CVE-2003-0559?
mainfile.php in phpforum 2 RC-1, and possibly earlier versions, allows remote attackers to execute arbitrary PHP code by modifying the MAIN_PATH parameter to reference a URL on a remote web server that contains the code.
How severe is CVE-2003-0559?
CVE-2003-0559 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0559 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0559?
CVE-2003-0559 affects Phpforum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0559?
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-2003-0559 published?
CVE-2003-0559 was published on 2003-08-18 and last updated on 2026-06-16.

References

Affected products (1)