TI-2026-67986 Aliases CVE-2026-39793 GHSA-c2jh-6qgg-g87w

Broken authentication in Simple JWT Login WordPress plugin

MEDIUM 40CWE-288Published 2026-10-06 · Updated 2026-10-06

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

Simple JWT Login by Nicu Micle, version 4.0.0, has a broken authentication flaw. Authentication can be bypassed through an alternate path, a weakness classified as CWE-288. An attacker with low privileges, such as a Subscriber account, can compromise confidentiality, integrity and availability over the network without user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Subscriber Broken Authentication in Simple JWT Login 4.0.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00394 33rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Nicu Micle	Simple JWT Login	4.0.0	—	No fix listed	CNA

Simple JWT Login VendorNicu Micle Affected 4.0.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Simple JWT Login.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-06 Threatist record created from CVE-2026-39793
2026-10-06 Alias added: GHSA-c2jh-6qgg-g87w
2026-10-06 CISA SSVC decision points changed
2026-10-06 Priority changed: MEDIUM → LOW
2026-10-07 Priority changed: LOW → MEDIUM

References

Other 1

https://patchstack.com/database/wordpress/plugin/simple-jwt-login/vulnerability/wordpress-simple-jwt-login-plugin-4-0-0-broken-authentication-vulnerability?_s_id=cve

TI-2025-36316 WordPress Simple JWT Login plugin <= 3.6.4 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences