CVE-2026-93549 CoCart CVE debrief

Who should care

Defenders responsible for WordPress installations with CoCart plugin should assess exposure and verify plugin version. They should also ensure that REST API authentication filter is properly scoped to its own endpoints and monitor for suspicious administrator account creation.

Why it matters

Defenders should care about CVE-2026-93549 because it allows an attacker to perform a cross-site request forgery attack that creates a new administrator account using a logged-in administrator's session, potentially leading to unauthorized access and control of the WordPress installation.

• Potential creation of new administrator accounts
• Bypass of WordPress core's REST nonce protection
• Cross-site request forgery attack

Technical summary

The CoCart WordPress plugin before 4.9.7 does not scope its REST API authentication filter to its own endpoints, which disables WordPress core's REST nonce protection for every route, allowing an attacker to perform a cross-site request forgery attack that creates a new administrator account using a logged-in administrator's session. This vulnerability affects WordPress installations with the CoCart plugin, potentially leading to unauthorized access and control of the installation. Defenders should assess exposure and verify plugin version.

Defensive priority

Defenders should prioritize verifying the presence of CoCart WordPress plugin version 4.9.7 or later, and ensure that REST API authentication filter is properly scoped to its own endpoints.

Recommended defensive actions

• Verify CoCart WordPress plugin version
• Scope REST API authentication filter
• Monitor for suspicious administrator account creation
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Review compensating controls for exposed systems while remediation is scheduled and verified.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the affected versions and potential impact. Defenders should verify the presence of CoCart WordPress plugin version 4.9.7 or later and ensure that REST API authentication filter is properly scoped to its own endpoints. The vulnerability allows an attacker to perform a cross-site request forgery attack that creates a new administrator account using a logged-in administrator's session.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.