EIP-2026-111423

PRE-CVE

PostCard 1.0 - Remote Insecure Cookie Handling

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-111423. PoCs published by t0pP8uZz.

AI-analyzed exploit summary This writeup describes an arbitrary authentication vulnerability in PostCard 1.0 due to insecure cookie handling. The attacker can set a cookie with the value 'logged_in=1' to bypass authentication and access the admin panel.

Description

PostCard 1.0 - Remote Insecure Cookie Handling

Exploits (1)

exploitdb WRITEUP VERIFIED
by t0pP8uZz · textwebappsphp
https://www.exploit-db.com/exploits/5439

This writeup describes an arbitrary authentication vulnerability in PostCard 1.0 due to insecure cookie handling. The attacker can set a cookie with the value 'logged_in=1' to bypass authentication and access the admin panel.

Classification
Writeup 100%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: PostCard 1.0
No auth needed
Prerequisites: Access to the target application's cookie-setting mechanism
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026