Same-Origin Policy Violation in Firefox and Thunderbird: Cross-Origin URL Entry Theft via Meta Refresh

CVE-2018-18499 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:N/A:N

A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv="refresh" on a page to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

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