CVE-2026-97331: User Private Files information disclosure vulnerability
medium 4.3 published 2026-10-07
- Affected versions
- older than 2.1.9
- Fixed in
- 2.1.9
- Latest version
- 2.2.2
- Severity
- Medium · CVSS 4.3
- Active installs
- 1,000+
- Type
- Information disclosure
What an attacker needs
- Access: A low-level account on the site, such as a subscriber or customer (per the CVSS score).
CVSS vector (score by CISA ADP): CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
What to do now
- Update User Private Files to 2.1.9 or newer (the latest is 2.2.2): Dashboard → Updates, or Plugins → “update now”.
- If you cannot update right away, deactivate it until you can.
- Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
- Not sure which version you run? Check your version against every known User Private Files issue.
With WP-CLI:
wp plugin get user-private-files --field=version. - If you ran an affected version and something looks off (new admin users, spam pages, redirects), run the free scan below.
The advisory
The User Private Files WordPress plugin before 2.1.9 does not validate that a supplied user belongs to the document being operated on before returning that user's email address, allowing any authenticated user, such as a Subscriber, to obtain the email address of any registered account, including administrators.
References
- NVD CVE-2026-97331 nvd.nist.gov
- WPScan advisory wpscan.com
Related
Ran an affected version? Check your site for signs of a hack
The free scan reads the public side of your site and looks for spam pages, hidden redirects, injected scripts and blacklist entries. No login, no install, about a minute.
Where this data comes from
- CVE record, score and references: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
- Versions and install counts: wordpress.org/plugins/user-private-files (Plugins API), fetched 2026-11-04.
- The summary, “what an attacker needs” and “what to do” sections are our plain-English reading of the record and the plugin's release history; the quoted description is the record's own text. Spot an error? Email Daniel.