TI-2026-69955 Aliases CVE-2026-96539 GHSA-vf6m-m5g4-4q6v

Privilege escalation in WordPress Ultimate Member plugin

LOW 24CWE-266Published 2026-10-09 · Updated 2026-10-11

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

The Ultimate Member plugin for WordPress through 2.13.1 assigns privileges incorrectly, which allows privilege escalation (CWE-266). A remote attacker needs no privileges and no user interaction to exploit it, and the impact to confidentiality, integrity and availability is low.

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

Description from the CNA

Incorrect Privilege Assignment vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.This issue affects Ultimate Member: from n/a through 2.13.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00145 3rd 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

Vendor	Product	Affected versions	Fixed in	Status	Source
ultimatemember	Ultimate Member	up to 2.13.1	—	No fix listed	CNA

Ultimate Member Vendorultimatemember Affected up to 2.13.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Ultimate Member.

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

Timeline

2026-10-09 Threatist record created from CVE-2026-96539
2026-10-09 Alias added: GHSA-vf6m-m5g4-4q6v
2026-10-11 CISA SSVC decision points changed
2026-10-11 Priority changed: MEDIUM → LOW

References

Other 1

https://patchstack.com/database/wordpress/plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-13-1-privilege-escalation-vulnerability-2?_s_id=cve

TI-2024-00992 SQL injection in ultimatemember Ultimate Member – User Profile, Registration, Login… CVSS 3.1CRITICAL 9.8
TI-2023-03232 Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation CVSS 3.1CRITICAL 9.8
TI-2022-03726 JobBoardWP < 1.2.2 - Unauthenticated Arbitrary File Upload CVSS 3.1HIGH 7.5
TI-2020-19304 WordPress Plugin ultimate-member 2.1.3 Local File Inclusion CVSS 4.0MEDIUM 6.8
TI-2024-01973 Ultimate Member <= 2.8.3 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
TI-2020-18475 An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka… CVSS 3.1CRITICAL 10.0

See all 76 →

Sources

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