CVE-2026-14240 tourmaster CVE debrief

Who should care

Administrators of WordPress sites using the tourmaster plugin, especially those handling customer data, should be aware of this vulnerability and take steps to mitigate it. This includes reviewing compensating controls for exposed systems while remediation is scheduled and verified. Affected operator, platform, vulnerability-management, and security-team impact should be considered.

Technical summary

The tourmaster WordPress plugin before 5.4.9 has a vulnerability that allows unauthenticated users to download exported customers' personal information. The plugin writes its order/booking export to a fixed, predictable file inside its publicly accessible directory with no access control. This vulnerability has a MEDIUM severity and a CVSS score of 5.3. Affected product context and defensive impact should be considered.

Defensive priority

CVE-2026-14240 is a MEDIUM-severity vulnerability in the tourmaster WordPress plugin. Unauthenticated users can download exported customers' personal information once an administrator has run an export.

Recommended defensive actions

• Inventory and verify the tourmaster WordPress plugin version
• Restrict access to exported files
• Monitor for unauthorized access to exported customer data
• Update the tourmaster plugin to version 5.4.9 or later
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• 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.

Evidence notes

The tourmaster WordPress plugin before 5.4.9 writes its order/booking export to a fixed, predictable file inside its publicly accessible directory with no access control. This allows unauthenticated users to download the exported customers' personal information once an administrator has run an export. Evidence is limited to the supplied source corpus and CVE record. Defenders should verify affected scope, severity, and vendor guidance.

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.