CVE-2026-96531 Details
Description
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.
A stored cross-site scripting vulnerability has been identified in the Optimole WordPress plugin, affecting versions prior to 4.2.13. The issue arises because the plugin does not properly escape unrecognized attributes in its video-player block before rendering them. This flaw allows users with the Author role and above to inject event-handler attributes that execute scripts in the browsers of users viewing the post, including administrators.
Users are advised to update the Optimole WordPress plugin to version 4.2.13 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 26, 2026CISA-ADP
Assessed Sep 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/15ad5748-8c2b-4c60-9818-57790f7033c7/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Optimole | >= 4.0.0, <= 4.2.12 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 26, 2026 | CVE Modified | CISA-ADP |
| Sep 26, 2026 | New CVE Received | [email protected] |
Volerion