CVE-2012-4203 describes a vulnerability in Mozilla Firefox versions prior to 17.0 where the New Tab page allowed JavaScript code from bookmarklets to execute in a privileged context. This flaw enabled user-assisted remote attackers to run arbitrary programs by exploiting a javascript: URL within a bookmark. With a CVSS score of 6.8, this vulnerability has a medium severity, requiring user interaction (AC:M) but potentially leading to partial confidentiality, integrity, and availability compromise (C:P/I:P/A:P). There is no evidence of active exploitation, nor are there known public exploit tools like Metasploit or Nuclei, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 16.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:* | ||
0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:* | ||
0.3CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:* | ||
0.4CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
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.
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.