How severe is CVE-2006-5733?

CVE-2006-5733 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-5733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5733?

CVE-2006-5733 primarily affects Postnuke Software Foundation Postnuke. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-5733?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-5733 published?

CVE-2006-5733 was published on 2006-11-06 and last updated on 2026-06-16.

CVE-2006-5733

CVE-2006-5733 is a high-severity vulnerability in Postnuke Software Foundation Postnuke with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Postnuke Software Foundation Postnuke
Published: 2006-11-06
Last modified: 2026-06-16

Description

Directory traversal vulnerability in error.php in PostNuke 0.763 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the PNSVlang (PNSV lang) cookie, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by error.php.

Frequently asked questions

What is CVE-2006-5733?: Directory traversal vulnerability in error.php in PostNuke 0.763 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the PNSVlang (PNSV lang) cookie, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by error.php.
How severe is CVE-2006-5733?: CVE-2006-5733 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-5733 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5733?: CVE-2006-5733 primarily affects Postnuke Software Foundation Postnuke. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-5733?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-5733 published?: CVE-2006-5733 was published on 2006-11-06 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:postnuke_software_foundation:postnuke:*:*:*:*:*:*:*:*
cpe:2.3:a:postnuke_software_foundation:postnuke:0.762:*:*:*:*:*:*:*