CVE-2022-50806: 4images 1.9 contains a remote command execution vulnerability that allows authenticated administrators to inje

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HIGH 7.2DOWNGRADE

CVE-2022-50806 is a high-severity flaw (CVSS 7.2) affecting 4images. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

4images 1.9 contains a remote command execution vulnerability that allows authenticated administrators to inject reverse shell code through template editing functionality. Attackers can save malicious code in the template and execute arbitrary commands by accessing a specific categories.php endpoint with a crafted cat_id parameter.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-01-13
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: 4homepages

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

Am I affected?

Timeline

2026-01-13 23:15 UTCPublished CVE record published
2026-06-17 05:24 UTCUpdated Record last modified

4homepages 4images DOWNGRADE

Affected: 1.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9

1. Check installed version

apt-cache policy 4images || rpm -q 4images || 4images --version

2. No fixed release: DOWNGRADE to a release before 1.9 (Debian / Ubuntu)

apt-cache madison 4images sudo apt install 4images=<VERSION_BEFORE_1.9> sudo apt-mark hold 4images

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list 4images sudo dnf downgrade 4images-<VERSION_BEFORE_1.9> sudo dnf versionlock add 4images

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-50806?

4images: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-50806 being exploited?

CVE-2022-50806 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-2022-50806 affect?

CVE-2022-50806 affects 4images. Severity is high (CVSS 7.2). 4images 1.9 contains a remote command execution vulnerability that allows authenticated administrators to inject reverse shell code through template editing functionality. Attackers can save malicious code in the template and execute arbitr

How urgent is CVE-2022-50806?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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