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CVE-2005-2266

16
FAUCET Score

CVE-2005-2266 describes a same-origin policy bypass vulnerability in Firefox versions prior to 1.0.5 and Mozilla versions prior to 1.7.9. This flaw allowed a child frame from a different domain to invoke methods like top.focus on a parent frame, potentially enabling remote attackers to steal sensitive information such as cookies and passwords. Rated with a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N), it indicates a network-based attack with low complexity, requiring no authentication, and primarily impacting confidentiality. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.8CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9:rc:*:*:*:*:*:*
0.9.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
0.9.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.83%
Probability of exploitation in next 30 days
EPSS Percentile
76.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0183 is in the 64th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 (4)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.0.6-1.4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.9.2-2.4.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.0.6-1.4.1
View patch

Vendor Advisories (1)

redhatCVE-2005-2266Moderate

security flaw

Jul 12, 2005

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
secunia.com / advisories/15549
secunia.com / advisories/15551
secunia.com / advisories/15553
secunia.com / advisories/19823
exchange.xforce.ibmcloud.com / vulnerabilities/21332
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100107
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10712
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1415
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A773
debian.org / security/2005/dsa-810
mozilla.org / security/announce/mfsa2005-52.html
PatchVendor Advisory
novell.com / linux/security/advisories/2005_18_sr.html
novell.com / linux/security/advisories/2005_45_mozilla.html
novell.com / linux/security/advisories/2006_04_25.html
redhat.com / support/errata/RHSA-2005-586.html
redhat.com / support/errata/RHSA-2005-587.html
redhat.com / support/errata/RHSA-2005-601.html
securityfocus.com / bid/14242
vupen.com / english/advisories/2005/1075