CVE-2022-21643
CWE-89Published: January 4, 2022· Updated: Jun 17, 2026
Official Description
USOC is an open source CMS with a focus on simplicity. In affected versions USOC allows for SQL injection via register.php. In particular usernames, email addresses, and passwords provided by the user were not sanitized and were used directly to construct a sql statement. Users are advised to upgrade as soon as possible. There are not workarounds for this issue.
Technical Analysis
CVE-2022-21643 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.
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 (4)
Quick Facts
Related CVEs (CWE-89)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-21643 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts