WordPress Plugin Broken Access Control Vulnerability

Subscriber Broken Access Control in WP2LEADS <= 3.5.7 versions.

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

CVE-2026-25433 represents a critical broken access control flaw in WP2LEADS plugin versions 3.5.7 and earlier, allowing subscribers to bypass authorization checks and access restricted functionality. This vulnerability is particularly concerning because WordPress plugins are foundational to millions of websites worldwide, and subscriber accounts are common attack vectors for threat actors. Organizations using affected WP2LEADS versions face risk of unauthorized data access, privilege escalation, and potential lateral movement within their WordPress environments. The high CVSS score of 7.1 underscores the severity of this access control breakdown, which could allow low-privileged users to perform actions intended only for administrators or higher-privilege accounts.

Casky's 283 mapped security skills—powered by Claude AI's extended reasoning capabilities—detect the attack patterns associated with this vulnerability across MITRE ATT&CK techniques TA0004 (Privilege Escalation) and TA0006 (Credential Access). Practitioners using Casky would observe skill detections identifying suspicious subscriber account activities such as unauthorized API calls accessing administrative endpoints, unexpected parameter manipulation in plugin requests, or unusual permission assignments originating from low-privilege sessions. The platform's skills would flag the characteristic behavioral patterns of broken access control exploitation: direct object reference attempts, forced browsing to restricted resources, and privilege escalation chains initiated from subscriber contexts. These granular findings enable security teams to correlate attack telemetry with the specific access control bypass mechanisms inherent to this CVE, allowing faster incident response and threat hunting in WordPress environments.

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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-2026-25433.

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-2026-25433

Casky has 283 skills that investigate the attack patterns behind CVE-2026-25433. Run one and get CVSS-scored findings in 3 minutes.

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