CVE-2006-6399: SQL injection vulnerability in Superfreaker Studios UPublisher 1.0 allows remote attackers to execute arbitrar

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HIGH 7.5DOWNGRADE

CVE-2006-6399 is a high-severity flaw (CVSS 7.5) affecting upublisher. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in Superfreaker Studios UPublisher 1.0 allows remote attackers to execute arbitrary SQL commands via the Username parameter in login.asp. NOTE: the provenance of this information is unknown; details are obtained from third party sources.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2006-12-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: superfreaker studios

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

Am I affected?

Timeline

2006-12-08 01:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

superfreaker studios upublisher DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison upublisher sudo apt install upublisher=<VERSION_BEFORE_1.0> sudo apt-mark hold upublisher

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

dnf --showduplicates list upublisher sudo dnf downgrade upublisher-<VERSION_BEFORE_1.0> sudo dnf versionlock add upublisher

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-2006-6399?

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

Is CVE-2006-6399 being exploited?

CVE-2006-6399 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-2006-6399 affect?

CVE-2006-6399 affects upublisher. Severity is high (CVSS 7.5). SQL injection vulnerability in Superfreaker Studios UPublisher 1.0 allows remote attackers to execute arbitrary SQL commands via the Username parameter in login.asp. NOTE: the provenance of this information is unknown; details are obtained

How urgent is CVE-2006-6399?

Priority 43/100. High severity

Related CVEs

CVE-2006-6398 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in Superfreaker Studios UPublisher 1.0 allow remote attackers to execut
CVE-2006-5888 HIGH 7.5 DOWNGRADE SQL injection vulnerability in viewarticle.asp in Superfreaker Studios UPublisher 1.0 allows remote attackers

References

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