CVE-2006-1203: PHP remote file include vulnerability in common.php in txtForum 1.0.4-dev and earlier allows remote attackers

Q: How do I fix CVE-2006-1203?

txtforum: upgrade to newer than 1.0.4_dev. Exact commands for each OS are on this page.

Q: Is CVE-2006-1203 being exploited?

CVE-2006-1203 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-2006-1203 affect?

CVE-2006-1203 affects txtforum. Severity is high (CVSS 7.5). PHP remote file include vulnerability in common.php in txtForum 1.0.4-dev and earlier allows remote attackers to include and execute arbitrary PHP code via a URL in the skin parameter to login.php, and possibly other parameters to other PHP

This month

HIGH 7.5UPGRADE

CVE-2006-1203 is a high-severity flaw (CVSS 7.5) affecting txtforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file include vulnerability in common.php in txtForum 1.0.4-dev and earlier allows remote attackers to include and execute arbitrary PHP code via a URL in the skin parameter to login.php, and possibly other parameters to other PHP scripts, related to include statements in common.php.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2006-03-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: txtforum

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

Am I affected?

Timeline

2006-03-14 01:06 UTCPublished CVE record published
2026-06-16 22:22 UTCUpdated Record last modified

txtforum txtforum UPGRADE

Affected: <= 1.0.4_dev

Fixed in: newer than 1.0.4_dev

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0.4_dev (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade txtforum

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade txtforum

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-2006-1203?

txtforum: upgrade to newer than 1.0.4_dev. Exact commands for each OS are on this page.

Is CVE-2006-1203 being exploited?

CVE-2006-1203 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-2006-1203 affect?

CVE-2006-1203 affects txtforum. Severity is high (CVSS 7.5). PHP remote file include vulnerability in common.php in txtForum 1.0.4-dev and earlier allows remote attackers to include and execute arbitrary PHP code via a URL in the skin parameter to login.php, and possibly other parameters to other PHP

How urgent is CVE-2006-1203?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-1204 MEDIUM 4.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in txtForum 1.0.4-dev and earlier allow remote attackers t

References

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