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CVE-2017-7823 PUBLISHED

The content security policy (CSP) "sandbox" directive did not create a unique origin for the document, causing it to behave as if the "allow-same-origin" keyword were always specified. This could allow a Cross-Site Scripting (XSS) attack to be launched from unsafe content. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

EPSS 1.42% · 80.4th percentile

Risk Scores

EPSS Score
1.42%
80.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox0, 55.0.2+build1-0ubuntu0.16.04.1, 55.0.1+build2-0ubuntu0.16.04.2
Ubuntu:14.04:LTSthunderbird1:45.3.0+build1-0ubuntu0.14.04.4, 0, 1:24.0+build1-0ubuntu1
Ubuntu:18.04:LTSfirefox0
Ubuntu:16.04:LTSthunderbird1:38.7.2+build1-0ubuntu0.16.04.1, 1:38.8.0+build1-0ubuntu0.16.04.1, 1:45.2.0+build1-0ubuntu0.16.04.1
Ubuntu:14.04:LTSfirefox35.0+build3-0ubuntu0.14.04.2, 33.0+build2-0ubuntu0.14.04.1, 32.0.3+build1-0ubuntu0.14.04.1
Ubuntu:18.04:LTSthunderbird0

Timeline

References

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