Broken Authentication in Simple JWT Login Plugin by WordPress
CVE-2026-39793

8.8HIGH

Key Information:

Vendor

WordPress
Status
Simple Jwt Login
Vendor
CVE Published:
6 October 2026

What is CVE-2026-39793?

A vulnerability in the Simple JWT Login Plugin for WordPress has been identified that allows attackers to exploit broken authentication mechanisms. In affected versions, specifically 4.0.0, compromised authentication practices can potentially allow unauthorized access to user accounts. Website administrators are strongly encouraged to apply security updates and review their authentication configurations to mitigate risk.

Affected Version(s)

Simple JWT Login 4.0.0

References

https://patchstack.com/database/wordpress/plugin/simple-j...
vdb-entry

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Taylsec | Patchstack Bug Bounty Program
.