CVE-2006-2670: Multiple cross-site scripting (XSS) vulnerabilities in ChatPat 1.0 allow remote attackers to inject arbitrary

Routine

MEDIUM 5.8DOWNGRADE

CVE-2006-2670 is a medium-severity flaw (CVSS 5.8) affecting chatpat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in ChatPat 1.0 allow remote attackers to inject arbitrary web script or HTML via a chat message in (1) fastchat.php and (2) fastshow.php.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2006-05-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: calendarscripts.com

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

Am I affected?

Timeline

2006-05-30 21:02 UTCPublished CVE record published
2026-06-16 22:25 UTCUpdated Record last modified

calendarscripts.com chatpat DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison chatpat sudo apt install chatpat=<VERSION_BEFORE_1.0> sudo apt-mark hold chatpat

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

dnf --showduplicates list chatpat sudo dnf downgrade chatpat-<VERSION_BEFORE_1.0> sudo dnf versionlock add chatpat

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.

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-2006-2670?

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

Is CVE-2006-2670 being exploited?

CVE-2006-2670 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-2006-2670 affect?

CVE-2006-2670 affects chatpat. Severity is medium (CVSS 5.8). Multiple cross-site scripting (XSS) vulnerabilities in ChatPat 1.0 allow remote attackers to inject arbitrary web script or HTML via a chat message in (1) fastchat.php and (2) fastshow.php.

How urgent is CVE-2006-2670?

Priority 37/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-2671 MEDIUM 5.0 DOWNGRADE SQL injection vulnerability in ChatPat 1.0 allows remote attackers to execute arbitrary SQL commands via the n

References

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