CVE-2026-81294
Deferred Deferred - Pending Action

Unauthenticated Privilege Escalation in Authorizer

Vulnerability report for CVE-2026-81294, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Patchstack

Description

Unauthenticated Privilege Escalation in Authorizer <= 3.15.1 versions.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-22
AI Q&A
2026-09-02
EPSS Evaluated
2026-09-21
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
authorizer authorizer to 3.15.1 (inc)
patchstack authorizer to 3.15.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

CVE-2026-81294 is an unauthenticated privilege escalation vulnerability affecting the WordPress Authorizer Plugin versions 3.15.1 and earlier. It allows attackers to escalate low-privilege accounts to higher levels without authentication, potentially gaining full control of the website.

Detection Guidance

To detect this vulnerability, check if the Authorizer plugin version is 3.15.1 or earlier. Commands like 'wp plugin list' in WordPress CLI or inspecting the plugin files via FTP/SFTP can help verify the version.

Impact Analysis

This vulnerability can lead to full website compromise, allowing attackers to take over your site, steal data, or inject malicious content. It is highly dangerous with a CVSS score of 9.8 and may be exploited in mass campaigns targeting thousands of websites.

Compliance Impact

This vulnerability could lead to unauthorized access and control of a WordPress site, potentially exposing sensitive user data. For GDPR, this may result in violations of data protection requirements due to unauthorized data access or processing. For HIPAA, it could compromise protected health information if the site handles such data. Non-compliance risks include fines, legal actions, and reputational damage.

Mitigation Strategies

Update the Authorizer plugin to version 3.15.2 or later immediately. If updating is not possible, apply the mitigation rule provided by Patchstack or contact your hosting provider for assistance.

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EPSS Chart