CVSS 3.1
8.1 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NCVE-2026-74978
High (8.1) in mozilla. EPSS 0.4% chance of exploitation in the next 30 days.
Clickjacking issue in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1021
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox
- mozilla:thunderbird