5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
32.4%
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.
bugzilla.mozilla.org/show_bug.cgi?id=1768583
www.mozilla.org/security/advisories/mfsa2022-28/