EIP-2026-107122

PRE-CVE

Flat Calendar 1.1 - HTML Injection

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-107122. PoCs published by ZoRLu Bugrahan.

AI-analyzed exploit summary This exploit targets Flat Calendar v1.1 by injecting HTML content into the calendar's event description field via an unauthenticated POST request to 'admin/calAdd.php'. It then retrieves the event number to confirm the injection.

Description

Flat Calendar 1.1 - HTML Injection

Exploits (1)

exploitdb WORKING POC
by ZoRLu Bugrahan · perlwebappsphp
https://www.exploit-db.com/exploits/35506

This exploit targets Flat Calendar v1.1 by injecting HTML content into the calendar's event description field via an unauthenticated POST request to 'admin/calAdd.php'. It then retrieves the event number to confirm the injection.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Flat Calendar v1.1
No auth needed
Prerequisites: Access to the target web application · Ability to send HTTP POST requests to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026