CVE-2022-21666: Useful Simple Open-Source CMS (USOC) is a content management system (CMS) for programmers

Q: How do I fix CVE-2022-21666?

useful simple open-source cms: upgrade to pb2.4bfx3. Exact commands for each OS are on this page.

Q: Is CVE-2022-21666 being exploited?

CVE-2022-21666 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-21666 affect?

CVE-2022-21666 affects useful simple open-source cms. Severity is high (CVSS 7.2). 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 `adm

This month

HIGH 7.2UPGRADE

CVE-2022-21666 is a high-severity flaw (CVSS 7.2) affecting useful simple open-source cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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`.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-01-10
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: useful simple open-source cms project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-01-10 20:15 UTCPublished CVE record published
2026-06-17 04:26 UTCUpdated Record last modified

useful simple open-source cms project useful simple open-source cms UPGRADE

Affected: < pb2.4bfx3

Fixed in: pb2.4bfx3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy useful-simple-open-source-cms || rpm -q useful-simple-open-source-cms || useful-simple-open-source-cms --version

2. UPGRADE to pb2.4bfx3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade useful-simple-open-source-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade useful-simple-open-source-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-21666?

useful simple open-source cms: upgrade to pb2.4bfx3. Exact commands for each OS are on this page.

Is CVE-2022-21666 being exploited?

CVE-2022-21666 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-21666 affect?

CVE-2022-21666 affects useful simple open-source cms. Severity is high (CVSS 7.2). 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 `adm

How urgent is CVE-2022-21666?

Priority 42/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-21644 CRITICAL 9.1 UPGRADE USOC is an open source CMS with a focus on simplicity
CVE-2022-21643 CRITICAL 10.0 UPGRADE USOC is an open source CMS with a focus on simplicity

References

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