How severe is CVE-2008-1591?

CVE-2008-1591 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-1591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1591?

CVE-2008-1591 affects Postnuke. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-1591?

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-2008-1591 published?

CVE-2008-1591 was published on 2008-03-31 and last updated on 2026-06-16.

CVE-2008-1591

CVE-2008-1591 is a high-severity vulnerability in 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. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Postnuke
Published: 2008-03-31
Last modified: 2026-06-16

Description

The pnVarPrepForStore function in PostNuke 0.764 and earlier skips input sanitization when magic_quotes_runtime is enabled, which allows remote attackers to conduct SQL injection attacks and execute arbitrary SQL commands via input associated with server variables, as demonstrated by the CLIENT_IP HTTP header (HTTP_CLIENT_IP variable).

Frequently asked questions

What is CVE-2008-1591?: The pnVarPrepForStore function in PostNuke 0.764 and earlier skips input sanitization when magic_quotes_runtime is enabled, which allows remote attackers to conduct SQL injection attacks and execute arbitrary SQL commands via input associated with server variables, as demonstrated by the CLIENT_IP HTTP header (HTTP_CLIENT_IP variable).
How severe is CVE-2008-1591?: CVE-2008-1591 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-1591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1591?: CVE-2008-1591 affects Postnuke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-1591?: 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-2008-1591 published?: CVE-2008-1591 was published on 2008-03-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:postnuke:postnuke:*:*:*:*:*:*:*:*

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