CVE-2006-5546: PHP remote file inclusion vulnerability in OTSCMS/OTSCMS.php in Open Tibia Server Content Management System (O

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MEDIUM 5.1DOWNGRADE

CVE-2006-5546 is a medium-severity flaw (CVSS 5.1) affecting otscms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in OTSCMS/OTSCMS.php in Open Tibia Server Content Management System (OTSCMS) 1.3.0 through 1.4.1 allows remote attackers to execute arbitrary PHP code via a URL in the GLOBALS[config][otscms][directories][classes] parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Published	2006-10-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: otscms

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

Am I affected?

Timeline

2006-10-26 17:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

otscms otscms DOWNGRADE

Affected: 1.3.0 · 1.3.3 · 1.3.4 · 1.4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.3.0 (Debian / Ubuntu)

apt-cache madison otscms sudo apt install otscms=<VERSION_BEFORE_1.3.0> sudo apt-mark hold otscms

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

dnf --showduplicates list otscms sudo dnf downgrade otscms-<VERSION_BEFORE_1.3.0> sudo dnf versionlock add otscms

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: OTSCMS 2.1.3 - Multiple Remote File Inclusions

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-2006-5546?

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

Is CVE-2006-5546 being exploited?

CVE-2006-5546 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-2006-5546 affect?

CVE-2006-5546 affects otscms. Severity is medium (CVSS 5.1). PHP remote file inclusion vulnerability in OTSCMS/OTSCMS.php in Open Tibia Server Content Management System (OTSCMS) 1.3.0 through 1.4.1 allows remote attackers to execute arbitrary PHP code via a URL in the GLOBALS[config][otscms][director

How urgent is CVE-2006-5546?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-5548 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in OTSCMS/OTSCMS.php in Open Tibia Server Content Management System (O
CVE-2006-5547 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in OTSCMS/OTSCMS.php in Open Tibia Server Content Management System (O

References

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