CVE-2012-4203 — Mozilla Firefox vulnerability
Severity
6.8MEDIUMNVD
EPSS
2.4%
top 14.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 21
Latest updateMay 17
Description
The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.
CVSS vector
AV:N/AC:M/C:P/I:P/A:PExploitability: 8.6 | Impact: 6.4
Affected Packages1 packages
🔴Vulnerability Details
1📋Vendor Advisories
4💬Community
1Bugzilla▶
CVE-2012-4203 Mozilla: Javascript: URLs run in privileged context on New Tab page (MFSA 2012-95)↗2012-11-17