CVE-2026-14955 Themehigh CVE debrief

Who should care

Users of the Checkout Field Editor for WooCommerce (Pro) plugin for WordPress should be aware of this vulnerability and take necessary actions to protect their installations. This includes applying the latest patches and restricting access to sensitive files and directories. Additionally, users should monitor for suspicious file access attempts and consider implementing additional security measures for their WordPress installations.

Technical summary

CVE-2026-14955 is a directory traversal vulnerability in the Checkout Field Editor for WooCommerce (Pro) plugin for WordPress. The vulnerability allows attackers with subscriber-level access to read arbitrary files on the server via the 'thwcfe_legacy_file' parameter. This could potentially lead to the disclosure of sensitive information. The vulnerability has a CVSS score of 6.5, indicating a medium severity level. The plugin versions up to, and including, 3.7.7 are affected by this vulnerability.

Defensive priority

Medium priority due to the CVSS score of 6.5 and the potential for sensitive information disclosure.

Recommended defensive actions

• Apply the latest patch for Checkout Field Editor for WooCommerce (Pro) plugin.
• Restrict access to sensitive files and directories.
• Monitor for suspicious file access attempts.
• Consider implementing additional security measures for WordPress installations.
• 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.

Evidence notes

The CVE record and NVD detail indicate a directory traversal vulnerability exists in the Checkout Field Editor for WooCommerce (Pro) plugin. Evidence from these sources suggests that authenticated attackers with subscriber-level access can read arbitrary files via the 'thwcfe_legacy_file' parameter. However, the extent of affected deployments and specific sensitive information that could be disclosed are not detailed in the provided sources. Defenders should verify the presence of this vulnerability in their environments and review the official CVE record and NVD detail for further 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.