Cross-site Scripting (XSS) Affecting firefox package, versions <50.1.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Cross-site Scripting (XSS) vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-424004
- published11 Jun 2018
- disclosed11 Jun 2018
Introduced: 11 Jun 2018
CVE-2016-9903 (opens in a new tab)How to fix?
Upgrade Debian:unstable firefox to version 50.1.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Mozilla's add-ons SDK had a world-accessible resource with an HTML injection vulnerability. If an additional vulnerability allowed this resource to be loaded as a document it could allow injecting content and script into an add-on's context. This vulnerability affects Firefox < 50.1.
References
- https://security-tracker.debian.org/tracker/CVE-2016-9903
- https://www.mozilla.org/security/advisories/mfsa2016-94/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1315435
- http://www.securityfocus.com/bid/94883
- http://www.securitytracker.com/id/1037461
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9903