CVE-2022-21643

Name: CVE-2022-21643
Creator: NVD / NIST
Published: 2022-01-04T20:15:07.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2022-21643 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. USOC is an open source CMS with a focus on simplicity. In affected versions USOC allows for SQL injection via register.php. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.20%

64.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Useful Simple Open-Source Cms Project	Useful Simple Open-Source Cms	< pb2.4bfx2

References

https://github.com/Aaron-Junker/USOC/commit/21e8bfd7a9ab0b7f9344a7a3a7c32a7cdd5a0b69Patch, Third Party Advisory
https://github.com/Aaron-Junker/USOC/security/advisories/GHSA-fjp4-phjh-jgmcThird Party Advisory
https://github.com/Aaron-Junker/USOC/commit/21e8bfd7a9ab0b7f9344a7a3a7c32a7cdd5a0b69Patch, Third Party Advisory
https://github.com/Aaron-Junker/USOC/security/advisories/GHSA-fjp4-phjh-jgmcThird Party Advisory

Timeline

Published: Jan 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21643?

How severe is CVE-2022-21643?

CVE-2022-21643 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21643?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21643?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST