---
id: CVE-2026-96531
title: >-
  The Optimole  WordPress plugin before 4.2.13 does not escape unrecognized
  attributes of its video-player block before rendering them onto the block's
  wrapper element, allowing users with the Author role and above to store an
  event-handle…
summary: >-
  The Optimole  WordPress plugin before 4.2.13 does not escape unrecognized
  attributes of its video-player block before rendering them onto the block's
  wrapper element, allowing users with the Author role and above to store an
  event-handle…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-79
product: Optimole
affected:
  - Optimole >= 4.0.0 < 4.2.13
published: '2026-09-26'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T23:16:41.203'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96531'
references:
  - url: 'https://wpscan.com/vulnerability/15ad5748-8c2b-4c60-9818-57790f7033c7/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-26T22:32:18.859155Z'
epss: 0.00152
epssPercentile: 0.0368
ingestedAt: '2026-09-26T06:27:03.679Z'
---

## Overview

The Optimole  WordPress plugin before 4.2.13 does not escape unrecognized attributes of its video-player block before rendering them onto the block's wrapper element, allowing users with the Author role and above to store an event-handler attribute that executes scripts in the browser of any user, such as an administrator, who views the post.

## Remediation

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