CVE-2004-1746: Cross-site scripting (XSS) vulnerability in index.php in PHP Code Snippet Library allows remote attackers to i

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MEDIUM 4.3DOWNGRADE

CVE-2004-1746 is a medium-severity flaw (CVSS 4.3) affecting php code snippet library. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in PHP Code Snippet Library allows remote attackers to inject arbitrary web script or HTML via the (1) cat_select or (2) show parameters.

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	3.6% (top 11%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php code snippet library

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 22:08 UTCUpdated Record last modified

php code snippet library php code snippet library DOWNGRADE

Affected: 0.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8

1. Check installed version

apt-cache policy php-code-snippet-library || rpm -q php-code-snippet-library || php-code-snippet-library --version

2. No fixed release: DOWNGRADE to a release before 0.8 (Debian / Ubuntu)

apt-cache madison php-code-snippet-library sudo apt install php-code-snippet-library=<VERSION_BEFORE_0.8> sudo apt-mark hold php-code-snippet-library

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

dnf --showduplicates list php-code-snippet-library sudo dnf downgrade php-code-snippet-library-<VERSION_BEFORE_0.8> sudo dnf versionlock add php-code-snippet-library

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 Code Snippet Library 0.8 - Multiple 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-2004-1746?

php code snippet library: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1746 being exploited?

CVE-2004-1746 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-2004-1746 affect?

CVE-2004-1746 affects php code snippet library. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in index.php in PHP Code Snippet Library allows remote attackers to inject arbitrary web script or HTML via the (1) cat_select or (2) show parameters.

How urgent is CVE-2004-1746?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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