CVE-2006-2368: Cross-site scripting (XSS) vulnerability in index.php in Clansys (aka Clanpage System) 1.1 allows remote attac

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MEDIUM 5.8DOWNGRADE

CVE-2006-2368 is a medium-severity flaw (CVSS 5.8) affecting clansys. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in Clansys (aka Clanpage System) 1.1 allows remote attackers to inject arbitrary web script or HTML via the page parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Published	2006-05-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: clansys

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

Am I affected?

Timeline

2006-05-15 16:06 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

clansys clansys DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison clansys sudo apt install clansys=<VERSION_BEFORE_1.1> sudo apt-mark hold clansys

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

dnf --showduplicates list clansys sudo dnf downgrade clansys-<VERSION_BEFORE_1.1> sudo dnf versionlock add clansys

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-2006-2368?

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

Is CVE-2006-2368 being exploited?

CVE-2006-2368 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-2006-2368 affect?

CVE-2006-2368 affects clansys. Severity is medium (CVSS 5.8). Cross-site scripting (XSS) vulnerability in index.php in Clansys (aka Clanpage System) 1.1 allows remote attackers to inject arbitrary web script or HTML via the page parameter.

How urgent is CVE-2006-2368?

Priority 44/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-2367 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in index.php in Clansys (aka Clanpage System) 1.0 and 1.1 allows remo
CVE-2006-2005 HIGH 7.5 DOWNGRADE Eval injection vulnerability in index.php in ClanSys 1.1 allows remote attackers to execute arbitrary PHP code
CVE-2006-1708 HIGH 7.5 DOWNGRADE SQL injection vulnerability in member.php in Clansys 1.1 allows remote attackers to execute arbitrary SQL comm

References

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