CVE-2005-4031

CVE-2005-4031 is a high-severity vulnerability in Mediawiki 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

Eval injection vulnerability in MediaWiki 1.5.x before 1.5.3 allows remote attackers to execute arbitrary PHP code via the "user language option," which is used as part of a dynamic class name that is processed using the eval function.

Frequently asked questions

What is CVE-2005-4031?
Eval injection vulnerability in MediaWiki 1.5.x before 1.5.3 allows remote attackers to execute arbitrary PHP code via the "user language option," which is used as part of a dynamic class name that is processed using the eval function.
How severe is CVE-2005-4031?
CVE-2005-4031 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-4031 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4031?
CVE-2005-4031 primarily affects Mediawiki. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4031?
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-2005-4031 published?
CVE-2005-4031 was published on 2005-12-06 and last updated on 2026-06-16.

References

Affected products (8)

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