CVE-2005-2322: Cross-site scripting (XSS) vulnerability in Class-1 Forum 0.24.4 and 0.23.2, and Clever Copy with forums insta

Routine

MEDIUM 4.3DOWNGRADEMITIGATE

CVE-2005-2322 is a medium-severity flaw (CVSS 4.3) affecting class-1 forum, clever copy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Class-1 Forum 0.24.4 and 0.23.2, and Clever Copy with forums installed, allows remote attackers to inject arbitrary web script or HTML via the (1) viewuser_id or (2) group parameter to users.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2005-07-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: class-1 · clever copy

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

Am I affected?

Timeline

2005-07-19 04:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

class-1 class-1 forum DOWNGRADE

Affected: 0.23.2 · 0.24.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.23.2

1. Check installed version

apt-cache policy class-1-forum || rpm -q class-1-forum || class-1-forum --version

2. No fixed release: DOWNGRADE to a release before 0.23.2 (Debian / Ubuntu)

apt-cache madison class-1-forum sudo apt install class-1-forum=<VERSION_BEFORE_0.23.2> sudo apt-mark hold class-1-forum

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

dnf --showduplicates list class-1-forum sudo dnf downgrade class-1-forum-<VERSION_BEFORE_0.23.2> sudo dnf versionlock add class-1-forum

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.

clever copy clever copy MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy clever-copy || rpm -q clever-copy || clever-copy --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network 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-2005-2322?

class-1 forum: downgrade or apply the listed mitigation; clever copy: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-2322 being exploited?

CVE-2005-2322 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-2005-2322 affect?

CVE-2005-2322 affects class-1 forum, clever copy. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Class-1 Forum 0.24.4 and 0.23.2, and Clever Copy with forums installed, allows remote attackers to inject arbitrary web script or HTML via the (1) viewuser_id or (2) group parameter to users.php.

How urgent is CVE-2005-2322?

Priority 38/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-2323 HIGH 7.5 DOWNGRADE MITIGATE Multiple SQL injection vulnerabilities in Class-1 Forum 0.24.4 and 0.23.2, and Clever Copy with forums install

References

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