CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NCVE-2021-23956
Medium (6.5) in mozilla firefox. EPSS 1.0% chance of exploitation in the next 30 days.
An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory. This was addressed by adding a new prompt. This vulnerability affects Firefox < 85.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox