CVE-2006-3366

V3 Chat - Cross-Site Scripting via Multiple Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 7 public exploits for CVE-2006-3366. PoCs published by Luny.

AI-analyzed exploit summary This exploit demonstrates XSS and SQL injection vulnerabilities in V3 Chat Instant Messenger by injecting malicious scripts and parameters into the 'search.php' endpoint. The PoC shows how unsanitized input can lead to arbitrary script execution in a user's browser context.

Description

Multiple cross-site scripting (XSS) vulnerabilities in V3 Chat allow remote attackers to inject arbitrary web script or HTML via crafted HTML tags, as demonstrated by the IMG tag, in the (1) id parameter in (a) mail/index.php and (b) mail/reply.php; (2) login_id parameter in (c) members/is_online.php; (3) site_id parameter in (d) messenger/online.php, (e) messenger/search.php, and (f) messenger/profile.php; (4) contact_name parameter in messenger/search.php; (5) membername parameter in (g) messenger/profileview.php; (6) unspecified parameters used when "editing a profile"; and (7) cust_name parameter in (h) messenger/expire.php. NOTE: The vendor disputes the vectors involving files in the messenger directory, stating "... the referenced folder 'messenger' was never available to the general public...".

Exploits (7)

exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28071

This exploit demonstrates XSS and SQL injection vulnerabilities in V3 Chat Instant Messenger by injecting malicious scripts and parameters into the 'search.php' endpoint. The PoC shows how unsanitized input can lead to arbitrary script execution in a user's browser context.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable 'search.php' endpoint
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28073

This exploit demonstrates an XSS vulnerability in V3 Chat Instant Messenger by injecting a malicious script via the 'membername' parameter in profileview.php. The lack of input sanitization allows arbitrary JavaScript execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28072

This exploit demonstrates a cross-site scripting (XSS) vulnerability in V3 Chat Instant Messenger by injecting a malicious script via the 'site_id' parameter in the profile.php page. The vulnerability arises due to insufficient input sanitization.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable profile.php page
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28070

This exploit demonstrates a cross-site scripting (XSS) vulnerability in V3 Chat Instant Messenger by injecting malicious script tags into the 'site_id' parameter. The vulnerability arises from insufficient input sanitization, allowing arbitrary JavaScript execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable application URL
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28074

This exploit demonstrates a cross-site scripting (XSS) vulnerability in V3 Chat Instant Messenger by injecting a malicious script via the 'cust_name' parameter in the 'expire.php' endpoint. The lack of input sanitization allows arbitrary JavaScript execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable endpoint · Ability to craft a malicious URL
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28069

This exploit demonstrates an XSS vulnerability in V3 Chat Instant Messenger by injecting a malicious script via the 'id' parameter in the 'reply.php' endpoint. The lack of input sanitization allows arbitrary JavaScript execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable 'reply.php' endpoint · User interaction to trigger the payload
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Luny · textwebappsphp
https://www.exploit-db.com/exploits/28068

This exploit demonstrates a cross-site scripting (XSS) vulnerability in V3 Chat Instant Messenger by injecting malicious script tags into the URL parameters. The vulnerability arises from insufficient input sanitization, allowing arbitrary JavaScript execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: V3 Chat Instant Messenger
No auth needed
Prerequisites: Access to the vulnerable application URL
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/18543
Exploit vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1016340
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/437755/100/200/threaded
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/2474
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/438069/100/200/threaded

Scores

EPSS 0.0182
EPSS Percentile 75.9%

Details

Status published
Products (1)
v3_chat/v3_chat beta
Published Jul 06, 2006
Tracked Since Feb 18, 2026