CVE-2006-5986: admin/options.php in Extreme CMS 0.9, and possibly earlier, does not require authentication, which might allow

Q: How do I fix CVE-2006-5986?

extreme cms: upgrade to newer than 0.9. Exact commands for each OS are on this page.

Q: Is CVE-2006-5986 being exploited?

CVE-2006-5986 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-5986 affect?

CVE-2006-5986 affects extreme cms. Severity is medium (CVSS 6.8). admin/options.php in Extreme CMS 0.9, and possibly earlier, does not require authentication, which might allow remote attackers to conduct unauthorized activities. NOTE: this issue can be combined with another vulnerability to expand the s

Q: How urgent is CVE-2006-5986?

Priority 41/100. No elevated risk signals yet.

This month

MEDIUM 6.8UPGRADE

CVE-2006-5986 is a medium-severity flaw (CVSS 6.8) affecting extreme cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

admin/options.php in Extreme CMS 0.9, and possibly earlier, does not require authentication, which might allow remote attackers to conduct unauthorized activities. NOTE: this issue can be combined with another vulnerability to expand the scope of a cross-site scripting (XSS) attack without authentication. NOTE: the provenance of this information is unknown; details are obtained from third party sources.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2006-11-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: extreme cms

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

Am I affected?

Timeline

2006-11-20 21:07 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

extreme cms extreme cms UPGRADE

Affected: <= 0.9

Fixed in: newer than 0.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade extreme-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade extreme-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2006-5986?

extreme cms: upgrade to newer than 0.9. Exact commands for each OS are on this page.

Is CVE-2006-5986 being exploited?

CVE-2006-5986 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-2006-5986 affect?

CVE-2006-5986 affects extreme cms. Severity is medium (CVSS 6.8). admin/options.php in Extreme CMS 0.9, and possibly earlier, does not require authentication, which might allow remote attackers to conduct unauthorized activities. NOTE: this issue can be combined with another vulnerability to expand the s

How urgent is CVE-2006-5986?

Priority 41/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-5985 MEDIUM 6.8 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in admin/options.php in Extreme CMS 0.9, and possibly earl

References

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