CVE-2004-2293: Multiple cross-site scripting (XSS) vulnerabilities in PHP-Nuke 6.0 to 7.3 allow remote attackers to inject ar

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MEDIUM 4.3DOWNGRADE

CVE-2004-2293 is a medium-severity flaw (CVSS 4.3) affecting php-nuke. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in PHP-Nuke 6.0 to 7.3 allow remote attackers to inject arbitrary web script or HTML via the (1) eid parameter or (2) query parameter to the Encyclopedia module, (3) preview_review function in the Reviews module as demonstrated by the url, cover, rlanguage, and hits parameters, or (4) savecomment function in the Reviews module, as demonstrated using the uname parameter. NOTE: the Faq/categories

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: francisco burzi

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 22:09 UTCUpdated Record last modified

francisco burzi php-nuke DOWNGRADE

Affected: 6.0 · 6.5 · 6.5_beta1 · 6.5_final · 6.5_rc1 · 6.5_rc2 · 6.5_rc3 · 6.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison php-nuke sudo apt install php-nuke=<VERSION_BEFORE_6.0> sudo apt-mark hold php-nuke

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

dnf --showduplicates list php-nuke sudo dnf downgrade php-nuke-<VERSION_BEFORE_6.0> sudo dnf versionlock add php-nuke

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: PHP-Nuke 6.x/7.x Encyclopedia Module - Multiple Function Cross-Site Scripting Vulnerabilities

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-2004-2293?

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

Is CVE-2004-2293 being exploited?

CVE-2004-2293 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-2004-2293 affect?

CVE-2004-2293 affects php-nuke. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in PHP-Nuke 6.0 to 7.3 allow remote attackers to inject arbitrary web script or HTML via the (1) eid parameter or (2) query parameter to the Encyclopedia module, (3) preview_review functio

How urgent is CVE-2004-2293?

Priority 40/100. Public exploit reference

Software pages

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References

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