CVE-2022-21666
CWE-89Published: January 10, 2022· Updated: Jun 17, 2026
Official Description
Useful Simple Open-Source CMS (USOC) is a content management system (CMS) for programmers. Versions prior to Pb2.4Bfx3 allowed Sql injection in usersearch.php only for users with administrative privileges. Users should replace the file `admin/pages/useredit.php` with a newer version. USOC version Pb2.4Bfx3 contains a fixed version of `admin/pages/useredit.php`.
Technical Analysis
CVE-2022-21666 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
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 7.2.
From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-89)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-21666 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts