CVE-2008-1591

PostNuke < 0.764 - SQL Injection via HTTP_CLIENT_IP Variable

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-1591. PoCs published by The:Paradox.

AI-analyzed exploit summary This exploit demonstrates a blind SQL injection vulnerability in Postnuke <= 0.764 by injecting malicious SQL code into the HTTP_CLIENT_IP header. The vulnerability arises due to improper handling of server variables when magic_quotes_runtime is enabled.

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).

Exploits (1)

exploitdb WORKING POC VERIFIED
by The:Paradox · pythonwebappsphp
https://www.exploit-db.com/exploits/5292

This exploit demonstrates a blind SQL injection vulnerability in Postnuke <= 0.764 by injecting malicious SQL code into the HTTP_CLIENT_IP header. The vulnerability arises due to improper handling of server variables when magic_quotes_runtime is enabled.

Classification
Working Poc 90%
Attack Type
Sqli
Complexity
Moderate
Reliability
Reliable
Target: Postnuke <= 0.764
No auth needed
Prerequisites: Access to the target server · Ability to send crafted HTTP headers
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28407
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/41375
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/5292

Scores

EPSS 0.0097
EPSS Percentile 57.1%

Details

CWE
CWE-89
Status published
Products (1)
postnuke/postnuke < 0.764
Published Mar 31, 2008
Tracked Since Feb 18, 2026