CVE-2005-0930: Cross-site scripting (XSS) vulnerability in message.php in Chatness 2.5.1 and earlier allows remote attackers

Q: How do I fix CVE-2005-0930?

chatness: upgrade to newer than 2.5. Exact commands for each OS are on this page.

Q: Is CVE-2005-0930 being exploited?

CVE-2005-0930 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2005-0930 affect?

CVE-2005-0930 affects chatness. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in message.php in Chatness 2.5.1 and earlier allows remote attackers to inject arbitrary web script or HTML via (1) the user field or (2) the message parameter to message.php.

Q: How urgent is CVE-2005-0930?

Priority 37/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2005-0930 is a medium-severity flaw (CVSS 4.3) affecting chatness. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in message.php in Chatness 2.5.1 and earlier allows remote attackers to inject arbitrary web script or HTML via (1) the user field or (2) the message parameter to message.php.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: chatness

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

chatness chatness UPGRADE

Affected: <= 2.5 · 2.5.1

Fixed in: newer than 2.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chatness

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chatness

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2005-0930?

chatness: upgrade to newer than 2.5. Exact commands for each OS are on this page.

Is CVE-2005-0930 being exploited?

CVE-2005-0930 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-2005-0930 affect?

CVE-2005-0930 affects chatness. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in message.php in Chatness 2.5.1 and earlier allows remote attackers to inject arbitrary web script or HTML via (1) the user field or (2) the message parameter to message.php.

How urgent is CVE-2005-0930?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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