Cross-site Scripting (XSS) The advisory has been revoked - it doesn't affect any version of package firefox (opens in a new tab)
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.
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Test your applications- Snyk IDSNYK-DEBIAN13-FIREFOX-6024589
- published11 Jun 2018
- disclosed11 Jun 2018
Introduced: 11 Jun 2018
CVE-2018-5143 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:13.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian.
URLs using "javascript:" have the protocol removed when pasted into the addressbar to protect users from cross-site scripting (XSS) attacks, but if a tab character is embedded in the "javascript:" URL the protocol is not removed and the script will execute. This could allow users to be socially engineered to run an XSS attack against themselves. This vulnerability affects Firefox < 59.
References
- https://security-tracker.debian.org/tracker/CVE-2018-5143
- https://www.mozilla.org/security/advisories/mfsa2018-06/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1422643
- http://www.securityfocus.com/bid/103386
- http://www.securitytracker.com/id/1040514
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-5143
- https://usn.ubuntu.com/3596-1/