CVE-2012-1944 Cross-site scripting in n/a
Remote attackers can bypass Content Security Policy to execute cross-site scripting attacks via crafted HTML documents in affected Mozilla browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-1944?
CVE-2012-1944 is a medium-severity cross-site scripting vulnerability in Mozilla Firefox, published on 5 Jun 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Content Security Policy (CSP) implementation in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 does not block inline event handlers, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document.
Weakness: CWE-79
Which versions are affected by CVE-2012-1944?
It affects 4 products.
Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Mozilla Thunderbird Esr.
How do I fix CVE-2012-1944?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2012-1944 being exploited?
There is no known exploitation of CVE-2012-1944 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-mpv9-qhv2-p7fj.