CVE-2026-7753 stylemix CVE debrief

Who should care

Administrators of WordPress sites using the Cost Calculator Builder plugin, especially those with sensitive configurations or keys stored in the plugin, should review and update their installations. They should also restrict access to sensitive configurations and keys, and monitor for suspicious activity related to calculator exports. Additionally, operators and security teams managing these sites should be aware of the potential exposure and take steps to mitigate it. This includes reviewing the plugin's configuration and ensuring that sensitive information is not inadvertently exposed. Furthermore, platform administrators should verify that their sites are running the latest version of the plugin and that all necessary security patches have been applied. Vulnerability management teams should prioritize this issue and coordinate with affected teams to ensure timely remediation. Security teams should also review their monitoring and detection systems to ensure they can identify potential exploitation attempts related to this vulnerability. This may involve updating threat detection rules or increasing monitoring of relevant logs. By taking these steps, organizations can reduce the risk associated with this vulnerability and protect their sensitive information. It's also essential for affected teams to document their review and remediation efforts, including any compensating controls implemented, to ensure a clear audit trail and facilitate future security reviews. Finally, operators and security teams should stay informed about any updates or advisories related to this vulnerability and be prepared to respond quickly if new information becomes available. This proactive approach will help minimize the risk of exploitation and ensure the security of sensitive data. The vulnerability's impact on operators and security teams emphasizes the need for prompt action and thorough remediation. Therefore, it is crucial for all stakeholders to work together to address this issue effectively and efficiently. The coordination between teams will be essential in preventing potential attacks and maintaining the security of the affected systems. In conclusion, a comprehensive and

Technical summary

The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing capability check on the `cost-calculator-custom-export-run` AJAX action. This action, handled by `CCBExportImport::export_calculators()`, allows authenticated attackers with Subscriber-level access to export calculator configurations, including sensitive keys such as Stripe secret keys and PayPal client secrets.

Defensive priority

Medium priority due to potential exposure of sensitive information such as Stripe secret keys, PayPal client secrets, and reCAPTCHA secret keys.

Recommended defensive actions

• Update the Cost Calculator Builder plugin to a version that includes a capability check for the `cost-calculator-custom-export-run` AJAX action.
• Restrict access to sensitive configurations and keys.
• Monitor for suspicious activity related to calculator exports.
• 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

Evidence from the NVD and Wordfence indicates a vulnerability in the Cost Calculator Builder plugin for WordPress. The plugin fails to properly restrict access to the `cost-calculator-custom-export-run` AJAX action, allowing low-privileged users to export sensitive configurations.

Official resources