CVE-2017-7787
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.3%
exploitation probability
2.3%top 17% of all CVEs
observed exploitation
nono source reports it
Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes to access content on the top level page, leading to information disclosure. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
References
https://access.redhat.com/errata/RHSA-2017:2456https://access.redhat.com/errata/RHSA-2017:2534https://bugzilla.mozilla.org/show_bug.cgi?id=1322896https://security.gentoo.org/glsa/201803-14https://www.debian.org/security/2017/dsa-3928https://www.debian.org/security/2017/dsa-3968https://www.mozilla.org/security/advisories/mfsa2017-18/https://www.mozilla.org/security/advisories/mfsa2017-19/https://www.mozilla.org/security/advisories/mfsa2017-20/http://www.securityfocus.com/bid/100234http://www.securitytracker.com/id/1039124