WordPress Plugin AJAX Actions Lack Authentication Checks

The AI Content Generator Marketing WordPress plugin through 1.0.0 does not enforce a nonce or capability check on some of its AJAX actions, allowing unauthenticated users to update and delete arbitrary WordPress options, which can be used to gain administrator access to the site.

Casky was already ahead

This CVE exploits attack patterns that Casky's 224matched 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 AI Content Generator Marketing WordPress plugin through version 1.0.0 contains a critical authentication bypass vulnerability that allows unauthenticated attackers to manipulate WordPress options through unprotected AJAX endpoints. By exploiting missing nonce validation and capability checks, threat actors can arbitrarily update or delete WordPress configuration options, including those that control administrative access. This vulnerability affects any WordPress installation running the vulnerable plugin version, putting sites of all sizes at risk—from small business blogs to larger enterprise deployments that may not regularly audit third-party plugin security.

Casky's 224 matched security skills leverage Claude AI's extended reasoning to detect the attack patterns associated with TA0004 (Privilege Escalation) techniques embedded in this vulnerability. Practitioners using Casky would observe findings related to improper access control mechanisms, specifically CWE-269 (Improper Access Control). The platform's skills map exploitation chains that begin with unauthenticated AJAX requests, progress through option manipulation (such as enabling user registration or modifying admin user roles), and culminate in unauthorized administrator account creation. Security teams would see detailed detection signatures for suspicious AJAX calls to affected endpoints, unusual WordPress option modifications from non-privileged sources, and sudden elevation of user roles—enabling them to identify exploitation attempts in real-time and trace the attack back to its origin before administrative compromise occurs.

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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 →

224 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-85118.

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

Investigate the attack patterns behind CVE-2026-85118

Casky has 224 skills that investigate the attack patterns behind CVE-2026-85118. Run one and get CVSS-scored findings in 3 minutes.

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