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CVE-2005-0231

12
FAUCET Score

CVE-2005-0231 describes a security bypass vulnerability in Firefox 1.0. This flaw, dubbed "firetabbing," allows remote attackers to circumvent the browser's security model by dragging javascript: or data: URLs to a new tab, as the Javascript Security Manager is not invoked in this scenario. The vulnerability has a low CVSS score of 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N), indicating network access, high attack complexity, no authentication required, and a potential impact of partial integrity loss. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.67%
Probability of exploitation in next 30 days
EPSS Percentile
84.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0267 is in the 82nd percentile among its peer group of 1,506 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, 0.1 Bluesky, 0.0 Mastodon, and 0.3 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 (2)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.0.1-1.4.3
View patch

Vendor Advisories (1)

redhatCVE-2005-0231Moderate

security flaw

Feb 7, 2005

References

marc.info
bugzilla.mozilla.org / show_bug.cgi
ExploitPatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/19264
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100032
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10079
gentoo.org / security/en/glsa/glsa-200503-10.xml
ExploitPatchVendor Advisory
gentoo.org / security/en/glsa/glsa-200503-30.xml
ExploitPatchVendor Advisory
mikx.de / firetabbing
ExploitVendor Advisory
mozilla.org / security/announce/mfsa2005-26.html
ExploitPatchVendor Advisory
novell.com / linux/security/advisories/2005_16_mozilla_firefox.html
ExploitPatchVendor Advisory
redhat.com / support/errata/RHSA-2005-176.html
redhat.com / support/errata/RHSA-2005-384.html