CVE-2006-4532: PHP remote file inclusion vulnerability in articles/article.php in Yet Another Community System (YACS) CMS 6.6

This month

HIGH 7.5DOWNGRADE

CVE-2006-4532 is a high-severity flaw (CVSS 7.5) affecting yet another community system cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in articles/article.php in Yet Another Community System (YACS) CMS 6.6.1 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the context[path_to_root] parameter.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.6% (top 5%)
CISA exploited list	No
Published	2006-09-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bernard pacques

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

Am I affected?

Timeline

2006-09-01 23:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

bernard pacques yet another community system cms DOWNGRADE

Affected: 6.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.6.1

1. Check installed version

apt-cache policy yet-another-community-system-cms || rpm -q yet-another-community-system-cms || yet-another-community-system-cms --version

2. No fixed release: DOWNGRADE to a release before 6.6.1 (Debian / Ubuntu)

apt-cache madison yet-another-community-system-cms sudo apt install yet-another-community-system-cms=<VERSION_BEFORE_6.6.1> sudo apt-mark hold yet-another-community-system-cms

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

dnf --showduplicates list yet-another-community-system-cms sudo dnf downgrade yet-another-community-system-cms-<VERSION_BEFORE_6.6.1> sudo dnf versionlock add yet-another-community-system-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.

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: YACS CMS 6.6.1 - context[path_to_root] Remote File Inclusion

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-2006-4532?

yet another community system cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4532 being exploited?

CVE-2006-4532 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-2006-4532 affect?

CVE-2006-4532 affects yet another community system cms. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in articles/article.php in Yet Another Community System (YACS) CMS 6.6.1 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the context[path_to_root] parameter.

How urgent is CVE-2006-4532?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4559 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in Yet Another Community System (YACS) CMS 6.6.1 allow remo

References

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