Vulnerability Database

313,359

Total vulnerabilities in the database

CVE-2021-23956

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.

  • Published: Feb 26, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-23956
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:P/I:N/A:N

No CWE or OWASP classifications available.

Software From Fixed in
mozilla / firefox - 85.0