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CVE-2003-1131

PHP remote file inclusion vulnerability in index.php in KnowledgeBuilder, referred to as KnowledgeBase, allows remote attackers to execute arbitrary PHP code by modifying the page parameter to reference a URL on a remote web server that contains the code.

Published: Dec 31, 2003 Modified: Jun 16, 2026

CVSS Metrics

Affected Products (4)

Vendor Product Version
activecampaign knowledgebuilder 2.0.1
activecampaign knowledgebuilder 2.1.0
activecampaign knowledgebuilder 2.1.4
activecampaign knowledgebuilder 3.0.1

GitHub Security Advisory GHSA-h9wr-4rpj-pqr5

PHP remote file inclusion vulnerability in index.php in KnowledgeBuilder, referred to as...

Risk Scores

CVSS Score 7.5 / 10
EPSS Score 3.43%

Top 12% most likely to be exploited

Threat Score 31 / 100

Data Sources

NVD EPSS GitHub