CVE-2017-7787

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.

• CWE-200

• http://www.securityfocus.com/bid/100234Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:2456Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2534Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1322896Exploit, Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/201803-14Third Party Advisory
• https://www.debian.org/security/2017/dsa-3928Third Party Advisory
• https://www.debian.org/security/2017/dsa-3968Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-19/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-20/Vendor Advisory
• http://www.securityfocus.com/bid/100234Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:2456Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2534Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1322896Exploit, Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/201803-14Third Party Advisory
• https://www.debian.org/security/2017/dsa-3928Third Party Advisory
• https://www.debian.org/security/2017/dsa-3968Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-19/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-20/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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