Published: 11/06/2018 Updated: 02/08/2018

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 6.1 | Impact Score: 2.7 | Exploitability Score: 2.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
mozilla firefox
canonical ubuntu linux 16.04
canonical ubuntu linux 14.04
canonical ubuntu linux 17.10

USN-3596-1 caused a regression in Firefox ...

Firefox could be made to crash or run programs as your login if it opened a malicious website ...

Mozilla Foundation Security Advisory 2018-06 Security vulnerabilities fixed in Firefox 59 Announced March 13, 2018 Impact critical Products Firefox Fixed in Firefox 59 ...

CWE-79 https://www.mozilla.org/security/advisories/mfsa2018-06/https://bugzilla.mozilla.org/show_bug.cgi?id=1422643 https://usn.ubuntu.com/3596-1/http://www.securitytracker.com/id/1040514 http://www.securityfocus.com/bid/103386 https://nvd.nist.gov https://usn.ubuntu.com/3596-2/

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CVE-2018-5143

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