CVE-2006-4561
CVE-2006-4561 is a high-severity vulnerability in Mozilla Firefox 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
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
Mozilla Firefox 1.5.0.6 allows remote attackers to execute arbitrary JavaScript in the context of the browser's session with an arbitrary intranet web server, by hosting script on an Internet web server that can be made inaccessible by the attacker and that has a domain name under the attacker's control, which can force the browser to drop DNS pinning and perform a new DNS query for the domain name after the script is already running.
Frequently asked questions
- What is CVE-2006-4561?
- Mozilla Firefox 1.5.0.6 allows remote attackers to execute arbitrary JavaScript in the context of the browser's session with an arbitrary intranet web server, by hosting script on an Internet web server that can be made inaccessible by the attacker and that has a domain name under the attacker's control, which can force the browser to drop DNS pinning and perform a new DNS query for the domain name after the script is already running.
- How severe is CVE-2006-4561?
- CVE-2006-4561 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2006-4561 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-4561?
- CVE-2006-4561 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2006-4561?
- 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-2006-4561 published?
- CVE-2006-4561 was published on 2006-09-06 and last updated on 2026-06-16.
References
- http://osvdb.org/31834
- http://polyboy.net/xss/dnsslurp.html
- http://shampoo.antville.org/stories/1451301/
- http://www.securityfocus.com/archive/1/443209/100/200/threaded
Affected products (1)
- cpe:2.3:a:mozilla:firefox:1.5.0.6:*:*:*:*:*:*:*
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