Description
An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.
Affected products
mozilla: firefox mobile
References4
- www.mozilla.org/security/advisories/mfsa2023-51/ Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-51/ Vendor Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=1861420 Issue TrackingPermissions Required
- bugzilla.mozilla.org/show_bug.cgi?id=1861420 Issue TrackingPermissions Required
Metrics
- CVSS 3.1
-
6.1
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 24 · as of 5 November 2026
- CWE
- CWE-601
Could this be exploited in your environment?
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