Auth bypass in Filr Project

CVE-2022-1777

The Filr WordPress plugin before 1.2.2.1 does not have authorisation check in two of its AJAX actions, allowing them to be called by any authenticated users, such as subscriber. They are are protected with a nonce, however the nonce is leaked on the dashboard. This could allow them to upload arbitrary HTML files as well as delete all files or arbitrary ones.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-1777: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

  • Filr Project
  • Filr – Secure Document Library — versions 1.2.2.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-1777?
CVE-2022-1777 is a high-severity vulnerability in Filr Project, classified under Missing Authorization. CVSS score: 8.8/10. Published 2022-06-13.
How severe is CVE-2022-1777?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-1777 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.