CVE-2002-0903

CVE-2002-0903 is a high-severity vulnerability in Woltlab Burning Board 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

register.php for WoltLab Burning Board (wbboard) 1.1.1 uses a small number of random values for the "code" parameter that is provided to action.php to approve a new registration, along with predictable new user ID's, which allows remote attackers to hijack new user accounts via a brute force attack on the new user ID and the code value.

Frequently asked questions

What is CVE-2002-0903?
register.php for WoltLab Burning Board (wbboard) 1.1.1 uses a small number of random values for the "code" parameter that is provided to action.php to approve a new registration, along with predictable new user ID's, which allows remote attackers to hijack new user accounts via a brute force attack on the new user ID and the code value.
How severe is CVE-2002-0903?
CVE-2002-0903 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0903 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0903?
CVE-2002-0903 affects Woltlab Burning Board. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0903?
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-2002-0903 published?
CVE-2002-0903 was published on 2002-10-04 and last updated on 2026-06-16.

References

Affected products (1)

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