CVE-2003-0320: header.php in ttCMS 2.3 and earlier allows remote attackers to inject arbitrary PHP code by setting the ttcms_

Q: How do I fix CVE-2003-0320?

ttcms: upgrade to newer than 2.3. Exact commands for each OS are on this page.

Q: Is CVE-2003-0320 being exploited?

CVE-2003-0320 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-2003-0320 affect?

CVE-2003-0320 affects ttcms. Severity is high (CVSS 7.5). header.php in ttCMS 2.3 and earlier allows remote attackers to inject arbitrary PHP code by setting the ttcms_user_admin parameter to "1" and modifying the admin_root parameter to point to a URL that contains a Trojan horse header.inc.php s

Q: How urgent is CVE-2003-0320?

Priority 54/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2003-0320 is a high-severity flaw (CVSS 7.5) affecting ttcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

header.php in ttCMS 2.3 and earlier allows remote attackers to inject arbitrary PHP code by setting the ttcms_user_admin parameter to "1" and modifying the admin_root parameter to point to a URL that contains a Trojan horse header.inc.php script.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	5.3% (top 7%)
CISA exploited list	No
Published	2003-06-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: andy prevost

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

Am I affected?

Timeline

2003-06-09 04:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

andy prevost ttcms UPGRADE

Affected: <= 2.3

Fixed in: newer than 2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ttcms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: ttCMS 2.2/2.3 - 'header.php' Remote File Inclusion

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-2003-0320?

ttcms: upgrade to newer than 2.3. Exact commands for each OS are on this page.

Is CVE-2003-0320 being exploited?

CVE-2003-0320 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-2003-0320 affect?

CVE-2003-0320 affects ttcms. Severity is high (CVSS 7.5). header.php in ttCMS 2.3 and earlier allows remote attackers to inject arbitrary PHP code by setting the ttcms_user_admin parameter to "1" and modifying the admin_root parameter to point to a URL that contains a Trojan horse header.inc.php s

How urgent is CVE-2003-0320?

Priority 54/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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CVE-2003-1459 MEDIUM 6.8 DOWNGRADE DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in ttCMS 2.2 and ttForum allow remote attackers to execute
CVE-2003-1458 HIGH 7.5 DOWNGRADE DOWNGRADE SQL injection vulnerability in Profile.php in ttCMS 2.2 and ttForum allows remote attackers to execute arbitra

References

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