CVE-2007-6696

WebCalendar 1.1.6 - Cross-Site Scripting via Event Description, pref.php Query String, and search.php adv Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2007-6696. PoCs published by Omer Singer.

AI-analyzed exploit summary This exploit demonstrates an XSS vulnerability in WebCalendar 1.1.6 by injecting malicious script code via the 'adv' parameter in search.php. The payload uses HTML-encoded JavaScript to trigger an alert, proving arbitrary script execution in the context of the affected site.

Description

Multiple cross-site scripting (XSS) vulnerabilities in WebCalendar 1.1.6 allow remote attackers to inject arbitrary web script or HTML via (1) an event description, (2) the query string to pref.php, and (3) the adv parameter to search.php. NOTE: vector 1 requires user authentication.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Omer Singer · textwebappsphp
https://www.exploit-db.com/exploits/31064

This exploit demonstrates an XSS vulnerability in WebCalendar 1.1.6 by injecting malicious script code via the 'adv' parameter in search.php. The payload uses HTML-encoded JavaScript to trigger an alert, proving arbitrary script execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: WebCalendar 1.1.6
No auth needed
Prerequisites: Access to the target WebCalendar instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Omer Singer · textwebappsphp
https://www.exploit-db.com/exploits/31063

This exploit demonstrates an XSS vulnerability in WebCalendar 1.1.6 by injecting a script tag into the URL, which executes arbitrary JavaScript in the context of the affected site. The PoC leverages improper input sanitization in the `pref.php` endpoint.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: WebCalendar 1.1.6
No auth needed
Prerequisites: Access to the target WebCalendar instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/27461
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/41276
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/41275
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/41274

Scores

EPSS 0.0173
EPSS Percentile 74.7%

Details

CWE
CWE-79
Status published
Products (1)
webcalendar/webcalendar 1.1.6
Published Feb 01, 2008
Tracked Since Feb 18, 2026