REST Endpoint Vulnerability in Tainacan WordPress Plugin by Tainacan
CVE-2026-90989
Currently unrated
Key Information:
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👾 Exploit Exists🟡 Public PoC
What is CVE-2026-90989?
The Tainacan WordPress plugin prior to version 1.4.0 allows authenticated users lacking sufficient permissions to access unrestricted REST API endpoints. This flaw can enable subscribers to obtain sensitive information, specifically the email addresses of repository staff members, posing a risk to user privacy and data security.
Affected Version(s)
Tainacan 0 < 1.4.0
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.