CVE-2022-3921
Published: December 12, 2022· Updated: Jun 17, 2026
Official Description
The Listingo WordPress theme before 3.2.7 does not validate files to be uploaded via an AJAX action available to unauthenticated users, which could allow them to upload arbitrary files and lead to RCE
Risk Analysis
The Listingo WordPress theme fails to validate file uploads, enabling unauthenticated attackers to upload arbitrary files and achieve remote code execution. This is a critical vulnerability that requires immediate attention.
No public exploit is known, and it is not in the CISA KEV. It is remotely exploitable with low complexity.
Update the Listingo theme to version 3.2.7 or later.
Technical Analysis
CVE-2022-3921 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.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-3921 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts