EIP-2026-103856

PRE-CVE

Apple Safari 1.x/3.0.x / Firefox 1.5.0.x/2.0.x - JavaScript Multiple Fields Key Filterings

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103856. PoCs published by Carl Hardwick.

AI-analyzed exploit summary This exploit demonstrates a JavaScript key-filtering vulnerability in Firefox 2.0.0.11, where the browser fails to securely handle keystroke input. The PoC uses a simple HTML form with file and text inputs to exploit the issue, potentially stealing file focus and capturing sensitive user input.

Description

Apple Safari 1.x/3.0.x / Firefox 1.5.0.x/2.0.x - JavaScript Multiple Fields Key Filterings

Exploits (1)

exploitdb WORKING POC VERIFIED
by Carl Hardwick · htmlremotemultiple
https://www.exploit-db.com/exploits/30838

This exploit demonstrates a JavaScript key-filtering vulnerability in Firefox 2.0.0.11, where the browser fails to securely handle keystroke input. The PoC uses a simple HTML form with file and text inputs to exploit the issue, potentially stealing file focus and capturing sensitive user input.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Firefox 2.0.0.11
No auth needed
Prerequisites: User interaction (typing sensitive data) · Victim visits malicious webpage
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026