CVE-2007-4120

CVE-2007-4120 is a critical-severity vulnerability in Jelsoft Vbulletin with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple PHP remote file inclusion vulnerabilities in Jelsoft vBulletin 3.6.5 allow remote attackers to execute arbitrary PHP code via a URL in the (1) classfile parameter to includes/functions.php, the (2) nextitem parameter to includes/functions_cron.php, and the (3) specialtemplates parameter to includes/functions_forumdisplay.php. NOTE: this issue is disputed by a reliable third party who states "further investigation has revealed that the application is not vulnerable to this issue." The original researcher also has a history of erroneous claims

Frequently asked questions

What is CVE-2007-4120?
Multiple PHP remote file inclusion vulnerabilities in Jelsoft vBulletin 3.6.5 allow remote attackers to execute arbitrary PHP code via a URL in the (1) classfile parameter to includes/functions.php, the (2) nextitem parameter to includes/functions_cron.php, and the (3) specialtemplates parameter to includes/functions_forumdisplay.php. NOTE: this issue is disputed by a reliable third party who states "further investigation has revealed that the application is not vulnerable to this issue." The original researcher also has a history of erroneous claims
How severe is CVE-2007-4120?
CVE-2007-4120 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-4120 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4120?
CVE-2007-4120 affects Jelsoft Vbulletin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4120?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-4120 published?
CVE-2007-4120 was published on 2007-08-01 and last updated on 2026-06-16.

References

Affected products (1)

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