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TI-2026-67942 Aliases CVE-2026-39730GHSA-v3c7-wfpq-fjfx

Missing authorization in WordPress Wise Chat plugin

Priority LOW 31CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

The Wise Chat plugin for WordPress, versions through 3.4.3, has a missing authorization check (CWE-862) that lets users reach functions their access level should block. An attacker with low privileges can alter data and degrade availability over the network without user interaction.

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

Description from the CNA

Missing Authorization vulnerability in Marcin Wise Chat wise-chat allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wise Chat: from n/a through 3.4.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00307 23rd 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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MarcinWise Chatup to 3.4.3—No fix listedCNA
  • Wise Chat VendorMarcin Affected up to 3.4.3 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Wise Chat.

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

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-39730
  2. 2026-10-06 Alias added: GHSA-v3c7-wfpq-fjfx
  3. 2026-10-06 CISA SSVC decision points changed
  4. 2026-10-06 Priority changed: MEDIUM → LOW
  5. 2026-10-07 Title updated · CNA
  6. 2026-10-07 Affected versions changed · CNA

References

Other 1

  • TI-2026-56420 WordPress Wise Chat plugin <= 3.4.2 - PHP Object Injection vulnerability CVSS 3.1HIGH 8.1
  • TI-2026-47307 WordPress Wise Chat plugin <= 3.4.3 - 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