CVE-2016-2803 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML into Bugzilla dependency graphs, potentially leading to session hijacking or malicious actions.
- 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-2016-2803?
CVE-2016-2803 is a medium-severity cross-site scripting vulnerability in Mozilla Bugzilla, published on 12 Apr 2017. 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
Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4.11, and 4.5.1 through 5.0.2 allows remote attackers to inject arbitrary web script or HTML.
Weakness: CWE-79
Which versions are affected by CVE-2016-2803?
It affects 1 product.
Products include Mozilla Bugzilla.
How do I fix CVE-2016-2803?
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-2016-2803 being exploited?
There is no known exploitation of CVE-2016-2803 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Bugzilla
Sources
Also known as GHSA-vwmr-hgcv-r475, MGASA-2016-0201.