CVE-2004-1427: PHP remote file inclusion vulnerability in main.inc in KorWeblog 1.6.2-cvs and earlier allows remote attackers

This month

HIGH 7.5DOWNGRADE

CVE-2004-1427 is a high-severity flaw (CVSS 7.5) affecting korweblog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in main.inc in KorWeblog 1.6.2-cvs and earlier allows remote attackers to execute arbitrary PHP code by modifying the G_PATH parameter to reference a URL on a remote web server that contains the code, as demonstrated in index.php when using .. (dot dot) sequences in the lng parameter to cause main.inc to be loaded.

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	1.7% (top 23%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: korweblog

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 22:07 UTCUpdated Record last modified

korweblog korweblog DOWNGRADE

Affected: 1.6.1 · 1.6.2cvs

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.1 (Debian / Ubuntu)

apt-cache madison korweblog sudo apt install korweblog=<VERSION_BEFORE_1.6.1> sudo apt-mark hold korweblog

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

dnf --showduplicates list korweblog sudo dnf downgrade korweblog-<VERSION_BEFORE_1.6.1> sudo dnf versionlock add korweblog

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-2004-1427?

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

Is CVE-2004-1427 being exploited?

CVE-2004-1427 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-2004-1427 affect?

CVE-2004-1427 affects korweblog. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in main.inc in KorWeblog 1.6.2-cvs and earlier allows remote attackers to execute arbitrary PHP code by modifying the G_PATH parameter to reference a URL on a remote web server that contains the code,

How urgent is CVE-2004-1427?

Priority 50/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2004-1543 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in viewimg.php in KorWeblog 1.6.2-cvs and earlier allows remote attackers to
CVE-2004-1426 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in index.php in KorWeblog 1.6.2-cvs and earlier allows remote attackers to r

References

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