Exploitation Summary
EIP tracks 1 public exploit for EIP-2026-107121. PoCs published by ZoRLu.
AI-analyzed exploit summary The exploit demonstrates an HTML injection vulnerability in Flat Calendar by injecting a script tag that triggers a JavaScript alert. This confirms the lack of proper input sanitization, allowing arbitrary HTML/JS execution in the context of the affected site.
Description
Flat Calendar 1.1 - 'add.php' HTML Injection
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by ZoRLu · textwebappsphp
https://www.exploit-db.com/exploits/32950
The exploit demonstrates an HTML injection vulnerability in Flat Calendar by injecting a script tag that triggers a JavaScript alert. This confirms the lack of proper input sanitization, allowing arbitrary HTML/JS execution in the context of the affected site.
Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target:
Flat Calendar (version unspecified)
No auth needed
Prerequisites:
User-supplied input field vulnerable to HTML injection
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026
Full analysis →
Details
Status
pre_cve
Tracked Since
Feb 18, 2026