CVE-2026-110069 Modern Events Calendar Lite CVE debrief

Who should care

Defenders responsible for WordPress installations with the Modern Events Calendar Lite plugin should assess exposure and prioritize verification and remediation to prevent unauthorized access to sensitive information. This includes reviewing access controls, verifying the plugin version, and restricting access to event booking and attendee data to authorized users only.

Why it matters

CVE-2026-110069 allows authenticated users to disclose sensitive event booking and attendee data in the Modern Events Calendar Lite WordPress plugin. Defenders should prioritize verification and remediation to prevent unauthorized access to sensitive information.

• Disclosure of sensitive event booking and attendee data, including names, email addresses, transaction IDs, and payment amounts.
• Potential for unauthorized access to sensitive information.
• Need for verification of plugin version and access controls.
• Priority for updating to version 7.37.0 or later.

Technical summary

The Modern Events Calendar Lite WordPress plugin before 7.37.0 does not perform capability, nonce, or ownership checks before returning event booking and attendee data. This allows any authenticated user, including Subscribers, to disclose sensitive information such as names, email addresses, transaction IDs, and payment amounts of every booking on the site. The vulnerability is caused by a lack of access controls, allowing unauthorized access to sensitive information. Defenders should prioritize verifying the version of the plugin and restricting access to event booking and attendee data.

Defensive priority

Defenders should prioritize verifying the version of the Modern Events Calendar Lite WordPress plugin and restricting access to event booking and attendee data.

Recommended defensive actions

• Verify the version of the Modern Events Calendar Lite WordPress plugin and update to 7.37.0 or later if necessary.
• Restrict access to event booking and attendee data to authorized users only.
• Monitor for potential exploitation attempts and review access logs for suspicious activity.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

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. The Modern Events Calendar Lite WordPress plugin before 7.37.0 is confirmed to be vulnerable. Defenders should verify the plugin version and review access controls to prevent exploitation.

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.