4.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
36.3%
A compromised content process could have performed session history manipulations it should not have been able to due to testing infrastructure that was not restricted to testing-only configurations. This vulnerability affects Firefox < 88.
bugzilla.mozilla.org/show_bug.cgi?id=1694727
www.mozilla.org/security/advisories/mfsa2021-16/