Feed preview for RSS feeds in Firefox < 51 can be used to capture errors and exceptions generated by privileged content, allowing for the exposure of internal information not meant to be seen by web content.
Feed preview for RSS feeds in Firefox < 51 can be used to capture errors and exceptions generated by privileged content, allowing for the exposure of internal information not meant to be seen by web content.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-01/#CVE-2017-5382 https://bugzilla.mozilla.org/show_bug.cgi?id=1295322
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