CVE-2004-1668: Multiple SQL injection vulnerabilities in index.php in Subjects 2.0 Postnuke module allow remote attackers to

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HIGH 7.5DOWNGRADE

CVE-2004-1668 is a high-severity flaw (CVSS 7.5) affecting factory subjects module. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in index.php in Subjects 2.0 Postnuke module allow remote attackers to execute arbitrary SQL commands via the (1) pageid, (2) subid, or (3) catid parameters.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2004-09-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: easyweb

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

Am I affected?

Timeline

2004-09-10 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

easyweb factory subjects module DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy factory-subjects-module || rpm -q factory-subjects-module || factory-subjects-module --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison factory-subjects-module sudo apt install factory-subjects-module=<VERSION_BEFORE_2.0> sudo apt-mark hold factory-subjects-module

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

dnf --showduplicates list factory-subjects-module sudo dnf downgrade factory-subjects-module-<VERSION_BEFORE_2.0> sudo dnf versionlock add factory-subjects-module

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.

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-2004-1668?

factory subjects module: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1668 being exploited?

CVE-2004-1668 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-2004-1668 affect?

CVE-2004-1668 affects factory subjects module. Severity is high (CVSS 7.5). Multiple SQL injection vulnerabilities in index.php in Subjects 2.0 Postnuke module allow remote attackers to execute arbitrary SQL commands via the (1) pageid, (2) subid, or (3) catid parameters.

How urgent is CVE-2004-1668?

Priority 49/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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