CVE-2012-3872

Openconstructor - XSS

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2012-3872. PoCs published by Lorenzo Cantoni.

AI-analyzed exploit summary This exploit demonstrates a reflected XSS vulnerability in Open Constructor 3.12.0 by injecting a JavaScript alert payload into the 'q' parameter of the confirm.php endpoint. The lack of input sanitization allows arbitrary script execution in the context of the user's browser session.

Description

Multiple cross-site scripting (XSS) vulnerabilities in Open Constructor 3.12.0 allow remote attackers to inject arbitrary web script or HTML via (1) the result parameter to data/file/edit.php, (2) the q parameter to confirm.php, or (3) the keyword parameter to users/users.php.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Lorenzo Cantoni · textwebappsphp
https://www.exploit-db.com/exploits/37580

This exploit demonstrates a reflected XSS vulnerability in Open Constructor 3.12.0 by injecting a JavaScript alert payload into the 'q' parameter of the confirm.php endpoint. The lack of input sanitization allows arbitrary script execution in the context of the user's browser session.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Open Constructor 3.12.0
No auth needed
Prerequisites: Access to the vulnerable endpoint · User interaction to trigger the payload
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Lorenzo Cantoni · textwebappsphp
https://www.exploit-db.com/exploits/37578

This exploit demonstrates a reflected XSS vulnerability in Open Constructor 3.12.0 due to improper input sanitization. The PoC shows how arbitrary script code can be executed via the 'keyword' parameter in the users.php endpoint.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Open Constructor 3.12.0
No auth needed
Prerequisites: Access to the vulnerable endpoint
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Lorenzo Cantoni · textwebappsphp
https://www.exploit-db.com/exploits/37579

This exploit demonstrates a reflected XSS vulnerability in Open Constructor 3.12.0 by injecting arbitrary JavaScript code via the 'result' parameter in the edit.php file. The vulnerability arises due to insufficient input sanitization, allowing script execution in the context of the user's browser.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Open Constructor 3.12.0
No auth needed
Prerequisites: Access to the vulnerable edit.php endpoint
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Scores

EPSS 0.0138
EPSS Percentile 68.5%

Details

CWE
CWE-79
Status published
Products (1)
openconstructor_project/openconstructor 3.12.0
Published Dec 28, 2012
Tracked Since Feb 18, 2026