When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus learn whether the target URL had been subject to a redirect. This vulnerability affects Firefox < 103.
https://www.mozilla.org/security/advisories/mfsa2022-28/
https://bugzilla.mozilla.org/show_bug.cgi?id=1768583
Source: Mitre, NVD
Published: 2022-12-22
Updated: 2023-01-04
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N