CVE-2012-1967

Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11…

published July 18, 2012

CVSS
—
EPSS
4%
Percentile
90.4
In the wild
Unconfirmed
What it is

⚠️ Who knew a crafty little javascript: URL could open the door to mischief? This vulnerability in older versions of Firefox, Thunderbird, and SeaMonkey allows attackers to execute arbitrary JavaScript code with less privilege than they should have! 🔥 Think of it like a restaurant where the kitchen is supposed to check every ingredient before it goes out. With this flaw, a sneaky chef can send any dish they want straight to the tables without any checks, potentially ruining the meal! If exploited, an attacker could run malicious scripts that compromise user data or manipulate the browser's behavior, leaving users vulnerable to further attacks. This could lead to identity theft, data loss, or worse!

Put simply

Think of it like a restaurant where the kitchen is supposed to check every ingredient before it goes out. With this flaw, a sneaky chef can send any dish they want straight to the tables without any checks, potentially ruining the meal! This vulnerability stems from a failure in the JavaScript sandbox utility implementation, allowing remote attackers to execute scripts via a javascript: URL without proper privileges. Essentially, it bypasses the intended security controls.

What to do

If exploited, an attacker could run malicious scripts that compromise user data or manipulate the browser's behavior, leaving users vulnerable to further attacks. This could lead to identity theft, data loss, or worse! To mitigate this issue, users should upgrade their browsers to the latest versions: Firefox beyond 13.0, Thunderbird beyond 13.0, and SeaMonkey beyond 2.11. Always ensure your applications are running on supported versions to avoid such vulnerabilities. You've got this! Keep your systems updated and you'll be a security hero in no time! 🦸

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03995 · 90.4th percentile
Published
2012-07-18T10:00Z
EPSS history
Timeline
  • 18 JUL 10:00Z
    Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11…
    cvelistv5