CVE-2022-4395
Published: January 30, 2023· Updated: Jun 17, 2026
Official Description
The Membership For WooCommerce WordPress plugin before 2.1.7 does not validate uploaded files, which could allow unauthenticated users to upload arbitrary files, such as malicious PHP code, and achieve RCE.
Risk Analysis
The Membership For WooCommerce WordPress plugin fails to validate uploaded files, allowing unauthenticated users to upload malicious PHP code and achieve remote code execution. The critical severity score makes this a high-priority threat.
A proof-of-concept (PoC) exploit has been published, but the vulnerability is not in the CISA KEV. It is remotely exploitable.
Update the Membership For WooCommerce plugin to version 2.1.7 or later.
Technical Analysis
CVE-2022-4395 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
A proof-of-concept (PoC) exploit exists for CVE-2022-4395. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-4395 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts