CVE-2004-1703: Fusion News 3.6.1 allows remote attackers to add user accounts, if the administrator is logged in, via a comme

This month

HIGH 8.8DOWNGRADE

CVE-2004-1703 is a high-severity flaw (CVSS 8.8) affecting fusion news. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fusion News 3.6.1 allows remote attackers to add user accounts, if the administrator is logged in, via a comment that contains an img bbcode tag that calls index.php with the signup action, which is executed when the administrator's browser loads the page with the img tag.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-352
Published	2004-07-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fusionphp

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

Am I affected?

Timeline

2004-07-30 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

fusionphp fusion news DOWNGRADE

Affected: 3.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.6.1

1. Check installed version

apt-cache policy fusion-news || rpm -q fusion-news || fusion-news --version

2. No fixed release: DOWNGRADE to a release before 3.6.1 (Debian / Ubuntu)

apt-cache madison fusion-news sudo apt install fusion-news=<VERSION_BEFORE_3.6.1> sudo apt-mark hold fusion-news

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

dnf --showduplicates list fusion-news sudo dnf downgrade fusion-news-<VERSION_BEFORE_3.6.1> sudo dnf versionlock add fusion-news

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.

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: Fusionphp Fusion News 3.3/3.6 - Administrator Command Execution

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-2004-1703?

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

Is CVE-2004-1703 being exploited?

CVE-2004-1703 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-2004-1703 affect?

CVE-2004-1703 affects fusion news. Severity is high (CVSS 8.8). Fusion News 3.6.1 allows remote attackers to add user accounts, if the administrator is logged in, via a comment that contains an img bbcode tag that calls index.php with the signup action, which is executed when the administrator's browser

How urgent is CVE-2004-1703?

Priority 56/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-6300 MEDIUM 5.0 DOWNGRADE Cross-site request forgery (CSRF) vulnerability in Fusion News 3.9.0 allows remote attackers to perform unauth
CVE-2006-4240 HIGH 7.5 DOWNGRADE PHP remote file inclusion vulnerability in index.php in Fusion News 3.7 allows remote attackers to execute arb
CVE-2006-3387 MEDIUM 5.1 DOWNGRADE Directory traversal vulnerability in sources/post.php in Fusion News 1.0, when register_globals is enabled, al

References

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