CVE-2026-96451 Ultimate Member CVE debrief

Who should care

Defenders responsible for WordPress environments using the Ultimate Member plugin should assess potential exposure and impact. This includes administrators, security teams, and developers who manage or maintain WordPress installations with the affected plugin.

Why it matters

CVE-2026-96451 is a high-severity vulnerability in the Ultimate Member plugin for WordPress, allowing for Privilege Escalation. Defenders should prioritize verifying exposure, assessing potential impact, and monitoring for updates from the vendor or official sources.

• Potential Privilege Escalation in WordPress environments using the affected Ultimate Member plugin versions.
• Possible unauthorized access or modifications to sensitive data or settings.
• Need for verification of exposure and assessment of potential impact in environments using the plugin.

Technical summary

The CVE-2026-96451 vulnerability is an Authorization Bypass Through User-Controlled Key issue in the Ultimate Member plugin for WordPress. This vulnerability allows for Privilege Escalation and affects plugin versions from n/a through 2.13.1. The vulnerability has a high severity score and defenders should prioritize verifying exposure and assessing potential impact, especially in environments using the affected plugin versions. The CVE record and NVD entry provide limited information about the vulnerability, and further verification is needed to determine the of

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, especially in environments using the affected plugin versions.

Recommended defensive actions

• Verify exposure by checking if the Ultimate Member plugin version is within the affected range (n/a through 2.13.1).
• Assess potential impact by evaluating the plugin's role in the environment and potential consequences of Privilege Escalation.
• Monitor for updates from the vendor or official sources regarding remediation or mitigation strategies.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is needed to determine the extent of exposure and potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.