CVE-2006-5837: Static code injection vulnerability in chat_panel.php in the SimpleChat 1.0.0 module for iWare Professional CM

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HIGH 7.5DOWNGRADE

CVE-2006-5837 is a high-severity flaw (CVSS 7.5) affecting simplechat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Static code injection vulnerability in chat_panel.php in the SimpleChat 1.0.0 module for iWare Professional CMS allows remote attackers to inject arbitrary PHP code into chat_log.php via the msg parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Published	2006-11-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: simplechat

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

Am I affected?

Timeline

2006-11-10 01:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

simplechat simplechat DOWNGRADE

Affected: 1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison simplechat sudo apt install simplechat=<VERSION_BEFORE_1.0.0> sudo apt-mark hold simplechat

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

dnf --showduplicates list simplechat sudo dnf downgrade simplechat-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add simplechat

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: iWare Pro 5.0.4 - 'chat_panel.php' Remote Code Execution

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-2006-5837?

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

Is CVE-2006-5837 being exploited?

CVE-2006-5837 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-2006-5837 affect?

CVE-2006-5837 affects simplechat. Severity is high (CVSS 7.5). Static code injection vulnerability in chat_panel.php in the SimpleChat 1.0.0 module for iWare Professional CMS allows remote attackers to inject arbitrary PHP code into chat_log.php via the msg parameter.

How urgent is CVE-2006-5837?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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