CVE-2006-0103: TinyPHPForum 3.6 and earlier stores the (1) users/[USERNAME].hash and (2) users/[USERNAME].email files under t

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MEDIUM 5.0DOWNGRADE

CVE-2006-0103 is a medium-severity flaw (CVSS 5.0) affecting tinyphpforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TinyPHPForum 3.6 and earlier stores the (1) users/[USERNAME].hash and (2) users/[USERNAME].email files under the web root with insufficient access control, which allows remote attackers to list all registered users and possibly obtain other sensitive information.

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-200
Published	2006-01-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ralph capper

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

Am I affected?

Timeline

2006-01-06 11:03 UTCPublished CVE record published
2026-06-16 22:19 UTCUpdated Record last modified

ralph capper tinyphpforum DOWNGRADE

Affected: 3.5 · 3.6 · 3.46 · 3.47 · 3.48 · 3.49 · 3.499

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.5 (Debian / Ubuntu)

apt-cache madison tinyphpforum sudo apt install tinyphpforum=<VERSION_BEFORE_3.5> sudo apt-mark hold tinyphpforum

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

dnf --showduplicates list tinyphpforum sudo dnf downgrade tinyphpforum-<VERSION_BEFORE_3.5> sudo dnf versionlock add tinyphpforum

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: TinyPHPForum 3.6 - Multiple Directory Traversal Vulnerabilities

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-2006-0103?

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

Is CVE-2006-0103 being exploited?

CVE-2006-0103 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-2006-0103 affect?

CVE-2006-0103 affects tinyphpforum. Severity is medium (CVSS 5.0). TinyPHPForum 3.6 and earlier stores the (1) users/[USERNAME].hash and (2) users/[USERNAME].email files under the web root with insufficient access control, which allows remote attackers to list all registered users and possibly obtain other

How urgent is CVE-2006-0103?

Priority 45/100. EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2006-7063 HIGH 7.5 UPGRADE Directory traversal vulnerability in profile.php in TinyPHPforum 3.6 and earlier allows remote attackers to in
CVE-2006-0104 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in TinyPHPForum 3.6 and earlier allows remote attackers to create a new user
CVE-2006-0102 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in TinyPHPForum (TPF) 3.6 and earlier allows remote attackers to inje

References

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