CVE-2005-4831

CVE-2005-4831 is a medium-severity vulnerability in Viewcvs with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

viewcvs in ViewCVS 0.9.2 allows remote attackers to set the Content-Type header to arbitrary values via the content-type parameter, which can be leveraged for cross-site scripting (XSS) and other attacks, as demonstrated using (1) "text/html", or (2) "image/jpeg" with an image that is rendered as HTML by Internet Explorer, a different vulnerability than CVE-2004-1062. NOTE: it was later reported that 0.9.4 is also affected.

Frequently asked questions

What is CVE-2005-4831?
viewcvs in ViewCVS 0.9.2 allows remote attackers to set the Content-Type header to arbitrary values via the content-type parameter, which can be leveraged for cross-site scripting (XSS) and other attacks, as demonstrated using (1) "text/html", or (2) "image/jpeg" with an image that is rendered as HTML by Internet Explorer, a different vulnerability than CVE-2004-1062. NOTE: it was later reported that 0.9.4 is also affected.
How severe is CVE-2005-4831?
CVE-2005-4831 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-4831 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4831?
CVE-2005-4831 affects Viewcvs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4831?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4831 published?
CVE-2005-4831 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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