What’s Vulnerable › Vulnerabilities

CVE-2025-12071: Frontend User Notes <= 2.1.0 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Note Modification

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-18 · updated 2026-06-17
• Weakness: CWE-639

Description

The Frontend User Notes plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.0 via the 'funp_ajax_modify_notes' AJAX endpoint due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify arbitrary notes that do not belong to them.

Affected products

• absikandar Frontend User Notes: through 2.1.0

References

• https://plugins.trac.wordpress.org/browser/frontend-user-notes/tags/2.1.1/includes/ajax.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/30f2dd33-228d-4942-88d9-78c7ed0b79a1?source=cve

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