CVE-2026-19049 ProSolution CVE debrief

Who should care

Administrators of WordPress sites using the ProSolution WP Client plugin should be aware of this vulnerability and take immediate action to update the plugin. They should also review their database records for unauthorized changes and restrict access to sensitive database data. Additionally, they should prioritize updating to version 2.0.9 or later to mitigate this vulnerability.

Technical summary

The ProSolution WP Client WordPress plugin before version 2.0.9 does not sanitize a cookie value before using it in SQL queries, allowing unauthenticated users to read arbitrary data from the database and delete records. This vulnerability has a significant impact on the security of WordPress sites using the plugin, as it can lead to unauthorized access to sensitive data. The vulnerability class is related to improper input sanitization in SQL queries. The affected product is the ProSolution WP Client WordPress plugin, and the likely operational impact is unauthorized data access and deletion. The source confidence is based on official records, but further verification is recommended.

Defensive priority

Organizations using the ProSolution WP Client WordPress plugin should prioritize updating to version 2.0.9 or later to mitigate this vulnerability.

Recommended defensive actions

• Update the ProSolution WP Client WordPress plugin to version 2.0.9 or later
• Monitor database records for unauthorized changes
• Restrict access to sensitive database data
• 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 evidence for this vulnerability is limited, primarily based on official records indicating a vulnerability in the ProSolution WP Client WordPress plugin before version 2.0.9. Further verification is recommended. Defenders should verify the affected scope, review the official advisory or CVE record, and assess their exposure. The vulnerability allows unauthenticated users to read arbitrary data from the database and delete records due to improper sanitization of a cookie value used in SQL queries.

Official resources