CVE-2006-3972: Directory traversal vulnerability in includes/operator_chattranscript.php in Scott Weedon Ajax Chat, possibly

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MEDIUM 5.0DOWNGRADE

CVE-2006-3972 is a medium-severity flaw (CVSS 5.0) affecting ajax chat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in includes/operator_chattranscript.php in Scott Weedon Ajax Chat, possibly 0.1, allows remote attackers to read arbitrary files via a .. (dot dot) in the chatid parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Published	2006-08-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: scott weedon

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

Am I affected?

Timeline

2006-08-02 16:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

scott weedon ajax chat DOWNGRADE

Affected: 0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

apt-cache policy ajax-chat || rpm -q ajax-chat || ajax-chat --version

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison ajax-chat sudo apt install ajax-chat=<VERSION_BEFORE_0.1> sudo apt-mark hold ajax-chat

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

dnf --showduplicates list ajax-chat sudo dnf downgrade ajax-chat-<VERSION_BEFORE_0.1> sudo dnf versionlock add ajax-chat

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: Ajax Chat 0.1 - 'operator_chattranscript.php?chatid' Traversal Arbitrary File Access

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-2006-3972?

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

Is CVE-2006-3972 being exploited?

CVE-2006-3972 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-2006-3972 affect?

CVE-2006-3972 affects ajax chat. Severity is medium (CVSS 5.0). Directory traversal vulnerability in includes/operator_chattranscript.php in Scott Weedon Ajax Chat, possibly 0.1, allows remote attackers to read arbitrary files via a .. (dot dot) in the chatid parameter.

How urgent is CVE-2006-3972?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-3971 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in visitor/livesupport/chat.php in Scott Weedon Ajax Chat, possibly 0

References

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