CVE-2006-0652: WHMCompleteSolution (WHMCS) before 2.3 assigns incorrect permissions to "resellers", which allows remote authe

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MEDIUM 6.5DOWNGRADE

CVE-2006-0652 is a medium-severity flaw (CVSS 6.5) affecting whmcompletesolution. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WHMCompleteSolution (WHMCS) before 2.3 assigns incorrect permissions to "resellers", which allows remote authenticated users to perform privileged actions or obtain sensitive information. NOTE: this report is based on a vendor bug report that identified "incorrect permissions." However, the vendor did not label it a security issue, and there was no statement regarding whether or not the permissions were actually more permissive than intended.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.5 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2006-02-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: whmcompletesolution

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-02-13 11:06 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

whmcompletesolution whmcompletesolution DOWNGRADE

Affected: 2.0 · 2.1 · 2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy whmcompletesolution || rpm -q whmcompletesolution || whmcompletesolution --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison whmcompletesolution sudo apt install whmcompletesolution=<VERSION_BEFORE_2.0> sudo apt-mark hold whmcompletesolution

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

dnf --showduplicates list whmcompletesolution sudo dnf downgrade whmcompletesolution-<VERSION_BEFORE_2.0> sudo dnf versionlock add whmcompletesolution

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-2006-0652?

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

Is CVE-2006-0652 being exploited?

CVE-2006-0652 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-2006-0652 affect?

CVE-2006-0652 affects whmcompletesolution. Severity is medium (CVSS 6.5). WHMCompleteSolution (WHMCS) before 2.3 assigns incorrect permissions to "resellers", which allows remote authenticated users to perform privileged actions or obtain sensitive information. NOTE: this report is based on a vendor bug report t

How urgent is CVE-2006-0652?

Priority 40/100. No elevated risk signals yet.

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References

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