Privilege Escalation Vulnerability in Tiare Membership Plugin for WordPress
CVE-2025-13540

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Tiare Membership
Vendor
CVE Published:
27 November 2025

What is CVE-2025-13540?

The Tiare Membership plugin for WordPress has a vulnerability that allows privilege escalation due to improper role handling in the 'tiare_membership_init_rest_api_register' function. This weakness enables unauthenticated attackers to register with elevated rights by specifying the 'administrator' role, potentially compromising the entire website. It's essential for users of versions up to 1.2 to address this issue to prevent unauthorized access.

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Deploy the Patch

Affected Version(s)

Tiare Membership * <= 1.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://themeforest.net/item/tiare-wedding-vendor-directo...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ismail Syaleh
JSON
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