CVE-2026-6072
Oliver POS <= 2.4.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to 'OliverAuth' Header
Description
The Oliver POS – A WooCommerce Point of Sale (POS) plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in all versions up to and including 2.4.2.6. The plugin protects its entire /wp-json/pos-bridge/* REST API namespace through the oliver_pos_rest_authentication() permission callback, which uses a loose PHP comparison (==) to compare the attacker-supplied 'OliverAuth' header value against the 'oliver_pos_authorization_token' option. On fresh installations where the admin has not yet completed the connection flow, this option is unset (get_option returns false). Due to PHP's type juggling, the loose comparison '0' == false evaluates to true, allowing an unauthenticated attacker to bypass authentication by sending 'OliverAuth: 0'. This grants full access to all POS API endpoints, enabling attackers to read user data (including administrator details), update user profiles (including email addresses), and delete non-admin users. An admin account email reset can lead to site takeover.
INFO
Published Date :
May 20, 2026, 2:16 a.m.
Last Modified :
May 20, 2026, 2:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-6072
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Oliver POS plugin to the latest version available.
- Verify the 'oliver_pos_authorization_token' option is set correctly.
- Review plugin settings for any unusual configurations.
- Monitor access logs for suspicious API activity.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-6072.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-6072 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-6072
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6072 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-6072 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
May. 20, 2026
Action Type Old Value New Value Added Description The Oliver POS – A WooCommerce Point of Sale (POS) plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in all versions up to and including 2.4.2.6. The plugin protects its entire /wp-json/pos-bridge/* REST API namespace through the oliver_pos_rest_authentication() permission callback, which uses a loose PHP comparison (==) to compare the attacker-supplied 'OliverAuth' header value against the 'oliver_pos_authorization_token' option. On fresh installations where the admin has not yet completed the connection flow, this option is unset (get_option returns false). Due to PHP's type juggling, the loose comparison '0' == false evaluates to true, allowing an unauthenticated attacker to bypass authentication by sending 'OliverAuth: 0'. This grants full access to all POS API endpoints, enabling attackers to read user data (including administrator details), update user profiles (including email addresses), and delete non-admin users. An admin account email reset can lead to site takeover. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N Added CWE CWE-639 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/tags/2.4.2.6/includes/class-pos-bridge-user.php#L170 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/tags/2.4.2.6/includes/class-pos-bridge-user.php#L195 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/tags/2.4.2.6/includes/class-pos-bridge-user.php#L231 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/tags/2.4.2.6/includes/class-pos-bridge.php#L1677 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/tags/2.4.2.6/includes/class-pos-bridge.php#L1679 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/trunk/includes/class-pos-bridge-user.php#L170 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/trunk/includes/class-pos-bridge-user.php#L195 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/trunk/includes/class-pos-bridge-user.php#L231 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/trunk/includes/class-pos-bridge.php#L1677 Added Reference https://plugins.trac.wordpress.org/browser/oliver-pos/trunk/includes/class-pos-bridge.php#L1679 Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/ca6aa922-9c58-445c-b88a-3d1d1c95102c?source=cve