CVE-2006-4542

CVE-2006-4542 is a medium-severity vulnerability in Usermin with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

Webmin before 1.296 and Usermin before 1.226 do not properly handle a URL with a null ("%00") character, which allows remote attackers to conduct cross-site scripting (XSS), read CGI program source code, list directories, and possibly execute programs.

Frequently asked questions

What is CVE-2006-4542?
Webmin before 1.296 and Usermin before 1.226 do not properly handle a URL with a null ("%00") character, which allows remote attackers to conduct cross-site scripting (XSS), read CGI program source code, list directories, and possibly execute programs.
How severe is CVE-2006-4542?
CVE-2006-4542 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2006-4542 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4542?
CVE-2006-4542 primarily affects Usermin. In total, 92 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4542?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4542 published?
CVE-2006-4542 was published on 2006-09-05 and last updated on 2026-06-16.

References

Affected products (92)

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