CVE-2005-4480: Cross-site scripting (XSS) vulnerability in Plexcor CMS 4.0 and earlier allows remote attackers to inject arbi

This month

MEDIUM 6.8DOWNGRADE

CVE-2005-4480 is a medium-severity flaw (CVSS 6.8) affecting plexcor cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Plexcor CMS 4.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified search parameters.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2005-12-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: plexcor

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

Am I affected?

Timeline

2005-12-22 11:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

plexcor plexcor cms DOWNGRADE

Affected: 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

apt-cache policy plexcor-cms || rpm -q plexcor-cms || plexcor-cms --version

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison plexcor-cms sudo apt install plexcor-cms=<VERSION_BEFORE_4.0> sudo apt-mark hold plexcor-cms

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

dnf --showduplicates list plexcor-cms sudo dnf downgrade plexcor-cms-<VERSION_BEFORE_4.0> sudo dnf versionlock add plexcor-cms

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-2005-4480?

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

Is CVE-2005-4480 being exploited?

CVE-2005-4480 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-2005-4480 affect?

CVE-2005-4480 affects plexcor cms. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in Plexcor CMS 4.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified search parameters.

How urgent is CVE-2005-4480?

Priority 42/100. No elevated risk signals yet.

References

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