CVE-2023-5426 - CVE House

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Status published High CVE-2023-5426

Post Meta Data Manager <=1.2.0 - Missing Authorization to User, Term, and Post Meta Deletion

7.5 CVSS

Vulnerability Description

The Post Meta Data Manager plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the pmdm_wp_delete_user_meta, pmdm_wp_delete_term_meta, and pmdm_wp_ajax_delete_meta functions in versions up to, and including, 1.2.0. This makes it possible for unauthenticated attackers to delete user, term, and post meta belonging to arbitrary users.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Francesco Carlucci

References

More from gandhihitesh9

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Post Meta Data Manager <= 1.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

Post Meta Data Manager <= 1.4.4 - Authentciated (Admin+) Multisite Privilege Escalation

Post Meta Data Manager <= 1.2.1 - Cross-Site Request Forgery to Post, Term, and User Meta Deletion

Post Meta Data Manager <=1.2.0 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation

Affected Vendor

gandhihitesh9

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Affected Software

Post Meta Data Manager

Vulnerable Versions:

0

Timeline

Official Publish: October 28th, 2023

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1531 Account Access Removal