Vulnerability Details : CVE-2021-4356

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Download in versions up to, and including, 18.2. This is due to lacking authentication protections, capability checks, and sanitization, all on the wpfm_file_meta_update AJAX action. This makes it possible for unauthenticated attackers to download arbitrary files on the site, potentially leading to site takeover.
Published 2023-06-07 02:15:14
Updated 2023-06-13 17:45:42
Source Wordfence
View at NVD,   CVE.org

Products affected by CVE-2021-4356

Exploit prediction scoring system (EPSS) score for CVE-2021-4356

EPSS FAQ
0.24%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4356

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST
9.0
 CRITICAL CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
2.2
6.0
 Wordfence

CWE ids for CVE-2021-4356

  • The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@wordfence.com (Secondary)

References for CVE-2021-4356

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