CVE-2005-4298: Cross-site scripting (XSS) vulnerability in atl.cgi in AtlantForum 4.02 and earlier allows remote attackers to

Q: How do I fix CVE-2005-4298?

atlantforum: upgrade to newer than 4.02. Exact commands for each OS are on this page.

Q: Is CVE-2005-4298 being exploited?

CVE-2005-4298 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-2005-4298 affect?

CVE-2005-4298 affects atlantforum. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in atl.cgi in AtlantForum 4.02 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) sch_allsubct, (2) before, and (3) ct parameters.

Q: How urgent is CVE-2005-4298?

Priority 39/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2005-4298 is a medium-severity flaw (CVSS 4.3) affecting atlantforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in atl.cgi in AtlantForum 4.02 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) sch_allsubct, (2) before, and (3) ct parameters.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Published	2005-12-16
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2005-12-16 23:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

atlantpro.com atlantforum UPGRADE

Affected: <= 4.02

Fixed in: newer than 4.02

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.02 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade atlantforum

Note

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

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: AltantForum 4.0.2 - Multiple Cross-Site Scripting Vulnerabilities

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-2005-4298?

atlantforum: upgrade to newer than 4.02. Exact commands for each OS are on this page.

Is CVE-2005-4298 being exploited?

CVE-2005-4298 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-2005-4298 affect?

CVE-2005-4298 affects atlantforum. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in atl.cgi in AtlantForum 4.02 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) sch_allsubct, (2) before, and (3) ct parameters.

How urgent is CVE-2005-4298?

Priority 39/100. Public exploit reference

References

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