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CVE-2006-1731

14
FAUCET Score

CVE-2006-1731 describes a cross-site scripting (XSS) vulnerability affecting older versions of Mozilla Firefox, Thunderbird, Mozilla Suite, and SeaMonkey. This flaw occurs when .valueOf.call or .valueOf.apply are invoked without arguments, causing the Object class prototype to be returned instead of the global window object. With a CVSS score of 4.3 (medium severity), successful exploitation requires medium attack complexity and could lead to information disclosure (partial impact) without requiring authentication. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.7CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.78%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0178 is in the 55th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.0.8-1.4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.9.2-2.4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.0.8-1.4.1
View patch

Vendor Advisories (1)

redhatCVE-2006-1731Moderate

security flaw

Apr 14, 2006

References

ftp.sco.com / pub/updates/UnixWare/SCOSA-2006.26/SCOSA-2006.26.txt
patches.sgi.com / support/free/security/advisories/20060404-01-U.asc
lists.suse.com / archive/suse-security-announce/2006-Apr/0003.html
secunia.com / advisories/19631
secunia.com / advisories/19696
secunia.com / advisories/19714
secunia.com / advisories/19721
secunia.com / advisories/19729
secunia.com / advisories/19746
secunia.com / advisories/19759
secunia.com / advisories/19780
secunia.com / advisories/19794
secunia.com / advisories/19811
secunia.com / advisories/19821
secunia.com / advisories/19823
secunia.com / advisories/19852
secunia.com / advisories/19862
secunia.com / advisories/19863
secunia.com / advisories/19902
secunia.com / advisories/19941
secunia.com / advisories/19950
secunia.com / advisories/20051
secunia.com / advisories/21033
secunia.com / advisories/21622
exchange.xforce.ibmcloud.com / vulnerabilities/25820
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1955
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9604
sunsolve.sun.com / search/document.do
sunsolve.sun.com / search/document.do
support.avaya.com / elmodocs2/security/ASA-2006-205.htm
usn.ubuntu.com / 271-1
usn.ubuntu.com / 275-1
usn.ubuntu.com / 276-1
debian.org / security/2006/dsa-1044
debian.org / security/2006/dsa-1046
debian.org / security/2006/dsa-1051
gentoo.org / security/en/glsa/glsa-200604-12.xml
gentoo.org / security/en/glsa/glsa-200604-18.xml
gentoo.org / security/en/glsa/glsa-200605-09.xml
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2006/mfsa2006-19.html
novell.com / linux/security/advisories/2006_04_25.html
redhat.com / archives/fedora-announce-list/2006-April/msg00153.html
redhat.com / archives/fedora-announce-list/2006-April/msg00154.html
redhat.com / support/errata/RHSA-2006-0328.html
redhat.com / support/errata/RHSA-2006-0329.html
redhat.com / support/errata/RHSA-2006-0330.html
securityfocus.com / archive/1/436296/100/0/threaded
securityfocus.com / archive/1/436338/100/0/threaded
securityfocus.com / archive/1/438730/100/0/threaded
securityfocus.com / bid/17516
vupen.com / english/advisories/2006/1356
vupen.com / english/advisories/2006/3391