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CVE-2019-17020 PUBLISHED

If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.

EPSS 0.23% · 45.8th percentile

Risk Scores

EPSS Score
0.23%
45.8th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSmozjs5252.9.1-1ubuntu3, 52.9.1-1build1, 0
Ubuntu:18.04:LTSmozjs3838.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu3, 0
Ubuntu:18.04:LTSfirefox60.0.2+build1-0ubuntu0.18.04.1, 61.0+build3-0ubuntu0.18.04.1, 61.0.1+build1-0ubuntu0.18.04.1
Ubuntu:20.04:LTSfirefox71.0+build2-0ubuntu2, 71.0+build5-0ubuntu1, 0
Ubuntu:16.04:LTSfirefox63.0.3+build1-0ubuntu0.16.04.1, 64.0+build3-0ubuntu0.16.04.1, 65.0+build2-0ubuntu0.16.04.1
Ubuntu:18.04:LTSmozjs5252.9.1-0ubuntu0.18.04.1, 52.8.1-0ubuntu0.18.04.1, 52.3.1-7fakesync1

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References

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