CVE-2017-5386
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.3%
exploitation probability
2.3%top 18% of all CVEs
observed exploitation
nono source reports it
WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.
References
http://rhn.redhat.com/errata/RHSA-2017-0190.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1319070https://security.gentoo.org/glsa/201702-22https://www.debian.org/security/2017/dsa-3771https://www.mozilla.org/security/advisories/mfsa2017-01/https://www.mozilla.org/security/advisories/mfsa2017-02/http://www.securityfocus.com/bid/95769http://www.securitytracker.com/id/1037693