CVE-2004-2346: Multiple cross-site scripting (XSS) vulnerabilities in Forum Web Server 1.6 and earlier allow remote attackers

Q: How do I fix CVE-2004-2346?

forum web server: upgrade to newer than 1.6. Exact commands for each OS are on this page.

Q: Is CVE-2004-2346 being exploited?

CVE-2004-2346 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-2004-2346 affect?

CVE-2004-2346 affects forum web server. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Forum Web Server 1.6 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the Subject field in post1.htm and (2) the File Description field in postfile2.htm

Q: How urgent is CVE-2004-2346?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2004-2346 is a medium-severity flaw (CVSS 4.3) affecting forum web server. 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 Forum Web Server 1.6 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the Subject field in post1.htm and (2) the File Description field in postfile2.htm.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: minihttpserver.net

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

minihttpserver.net forum web server UPGRADE

Affected: <= 1.6

Fixed in: newer than 1.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy forum-web-server || rpm -q forum-web-server || forum-web-server --version

2. UPGRADE to newer than 1.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade forum-web-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade forum-web-server

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-2004-2346?

forum web server: upgrade to newer than 1.6. Exact commands for each OS are on this page.

Is CVE-2004-2346 being exploited?

CVE-2004-2346 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-2004-2346 affect?

CVE-2004-2346 affects forum web server. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Forum Web Server 1.6 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the Subject field in post1.htm and (2) the File Description field in postfile2.htm

How urgent is CVE-2004-2346?

Priority 30/100. No elevated risk signals yet.

References

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