CVE-2023-6855

MEDIUM

Paid Memberships Pro < 2.12.5 - Unauthenticated Membership Level Modification via Incorrect Capability Check

Title source: llm

Description

The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress is vulnerable to unauthorized modification of membership levels created by the plugin due to an incorrectly implemented capability check in the pmpro_rest_api_get_permissions_check function in all versions up to 2.12.5 (inclusive). This makes it possible for unauthenticated attackers to change membership levels including prices.

References (4)

Core 4

Core References

Issue Tracking

https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L528

Issue Tracking

https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L997

Issue Tracking

https://plugins.trac.wordpress.org/changeset/3011575/paid-memberships-pro/trunk/includes/rest-api.php?contextall=1&old=2947813&old_path=%2Fpaid-memberships-pro%2Ftrunk%2Fincludes%2Frest-api.php

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/383c7837-e7b7-4608-9cdc-91b7dbc7f4e2?source=cve

Scores

CVSS v3 5.3

EPSS 0.0051

EPSS Percentile 39.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (2)

strangerstudios/Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions < 2.12.5

strangerstudios/paid_memberships_pro < 2.12.5

Published Jan 11, 2024

Tracked Since Feb 18, 2026