---
id: CVE-2026-96899
title: >-
  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 user…
summary: >-
  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 user…
severity: none
cwe:
  - CWE-79
product: Optima Express IDX
affected:
  - optima_express_idx >= 8.6.0 < 8.7.6
published: '2026-09-27'
updated: '2026-09-27'
sourceUpdated: '2026-09-27T06:17:23.037'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96899'
references:
  - url: 'https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-27T06:43:46.834Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.