CVE-2002-0734

CVE-2002-0734 is a high-severity vulnerability in Michel Valdrighi B2 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

b2edit.showposts.php in B2 2.0.6pre2 and earlier does not properly load the b2config.php file in some configurations, which allows remote attackers to execute arbitrary PHP code via a URL that sets the $b2inc variable to point to a malicious program stored on a remote server.

Frequently asked questions

What is CVE-2002-0734?
b2edit.showposts.php in B2 2.0.6pre2 and earlier does not properly load the b2config.php file in some configurations, which allows remote attackers to execute arbitrary PHP code via a URL that sets the $b2inc variable to point to a malicious program stored on a remote server.
How severe is CVE-2002-0734?
CVE-2002-0734 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0734 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0734?
CVE-2002-0734 affects Michel Valdrighi B2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0734?
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-2002-0734 published?
CVE-2002-0734 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (1)