CVE-2026-96899 – The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script

The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.