CVE-2003-1131
PHP remote file inclusion vulnerability in index.php in KnowledgeBuilder, referred to as...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2003-1131- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2003-1131- Updated
- 2026-11-02
EUVDEUVD-2003-1121 No score
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.
- Record
EUVD-2003-1121- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h9wr-4rpj-pqr5 No score
PHP remote file inclusion vulnerability in index.php in KnowledgeBuilder, referred to as...
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.
- Record
GHSA-h9wr-4rpj-pqr5- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | KnowledgeBuilder 2.0/2.1/3.0 - Remote File Inclusion | 2003-12-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-1131 is a high vulnerability (CVSS 7.5) in Activecampaign Knowledgebuilder, published December 31, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.43%, the 88th percentile. No source names a fixed version.