How severe is CVE-2005-4874?

CVE-2005-4874 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-4874 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4874?

CVE-2005-4874 affects Mozilla. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-4874?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-4874 published?

CVE-2005-4874 was published on 2005-12-31 and last updated on 2026-06-16.

CVE-2005-4874

CVE-2005-4874 is a medium-severity vulnerability in Mozilla 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. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Mozilla
Published: 2005-12-31
Last modified: 2026-06-16

Description

The XMLHttpRequest object in Mozilla 1.7.8 supports the HTTP TRACE method, which allows remote attackers to obtain (1) proxy authentication passwords via a request with a "Max-Forwards: 0" header or (2) arbitrary local passwords on the web server that hosts this object.

Frequently asked questions

What is CVE-2005-4874?: The XMLHttpRequest object in Mozilla 1.7.8 supports the HTTP TRACE method, which allows remote attackers to obtain (1) proxy authentication passwords via a request with a "Max-Forwards: 0" header or (2) arbitrary local passwords on the web server that hosts this object.
How severe is CVE-2005-4874?: CVE-2005-4874 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-4874 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4874?: CVE-2005-4874 affects Mozilla. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4874?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4874 published?: CVE-2005-4874 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mozilla:mozilla:1.7.8:*:*:*:*:*:*:*

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