WordPress Plugin Manager Authorization Bypass Vulnerability

The WP Learn Manager plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.8. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins from the WordPress.org repository on the vulnerable site.

Casky was already ahead

This CVE exploits attack patterns that Casky's 283matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

The WP Learn Manager plugin for WordPress contains a critical authorization bypass flaw (CVE-2026-12153, CVSS 9.8) that allows unauthenticated attackers to install and activate arbitrary plugins from the WordPress.org repository. This vulnerability stems from insufficient authorization checks (CWE-862) in the plugin's core functionality, meaning the application fails to verify user permissions before executing privileged actions. Any WordPress site running the vulnerable plugin version 1.1.8 or earlier is at risk, potentially exposing millions of websites to complete compromise through malicious plugin installation.

Casky.ai's 283 mapped skills detect the attack patterns underlying this vulnerability by leveraging Claude's extended reasoning to identify authorization failures across both the Privilege Escalation (TA0004) and Credential Access (TA0006) MITRE ATT&CK tactics. Practitioners using Casky would observe findings related to unauthenticated API endpoint access, missing capability checks in plugin installation handlers, and lateral movement patterns where attackers escalate from anonymous access to administrative plugin management. The platform's skill set flags suspicious plugin activation sequences, detects improper trust boundaries in WordPress REST API endpoints, and correlates these patterns with known exploitation chains—enabling security teams to spot both pre-exploit conditions and post-compromise indicators of malicious plugin deployment before systems are fully controlled by threat actors.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

283 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-12153.

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

Access with Stolen Session Cookie

identity access management · low

Run

MITRE ATT&CK Techniques

TA0004 TA0006

Investigate the attack patterns behind CVE-2026-12153

Casky has 283 skills that investigate the attack patterns behind CVE-2026-12153. Run one and get CVSS-scored findings in 3 minutes.

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