CVE-2004-1528: The Event Calendar module 2.13 for PHP-Nuke allows remote attackers to gain sensitive information via an HTTP

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MEDIUM 5.0DOWNGRADE

CVE-2004-1528 is a medium-severity flaw (CVSS 5.0) affecting php-nuke event calendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Event Calendar module 2.13 for PHP-Nuke allows remote attackers to gain sensitive information via an HTTP request to (1) config.php, (2) index.php, or (3) submit.php, which reveal the full path in an error message.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: rob sutton

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

rob sutton php-nuke event calendar DOWNGRADE

Affected: 2.13

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.13

1. Check installed version

apt-cache policy php-nuke-event-calendar || rpm -q php-nuke-event-calendar || php-nuke-event-calendar --version

2. No fixed release: DOWNGRADE to a release before 2.13 (Debian / Ubuntu)

apt-cache madison php-nuke-event-calendar sudo apt install php-nuke-event-calendar=<VERSION_BEFORE_2.13> sudo apt-mark hold php-nuke-event-calendar

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

dnf --showduplicates list php-nuke-event-calendar sudo dnf downgrade php-nuke-event-calendar-<VERSION_BEFORE_2.13> sudo dnf versionlock add php-nuke-event-calendar

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-2004-1528?

php-nuke event calendar: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1528 being exploited?

CVE-2004-1528 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-2004-1528 affect?

CVE-2004-1528 affects php-nuke event calendar. Severity is medium (CVSS 5.0). The Event Calendar module 2.13 for PHP-Nuke allows remote attackers to gain sensitive information via an HTTP request to (1) config.php, (2) index.php, or (3) submit.php, which reveal the full path in an error message.

How urgent is CVE-2004-1528?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2004-1529 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in the Event Calendar module 2.13 for PHP-Nuke allows remote attacker

References

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