---
title: "Opti-Behavior WordPress Plugin - Stored XSS"
description: "Opti-Behavior WordPress plugin <= 1.9.2.1 contains a stored DOM-based cross-site scripting caused by insufficient input sanitization and output escaping of 'country_name' location parameter, letting unauthenticated attackers inject scripts executed on user page access, exploit requires nonce obtainable via public AJAX action."
url: https://panop.io/threat-heartbeat/CVE-2026-95809/
---

# CVE-2026-95809 Opti-Behavior WordPress Plugin - Stored XSS

Opti-Behavior WordPress plugin <= 1.9.2.1 contains a stored DOM-based cross-site scripting caused by insufficient input sanitization and output escaping of 'country\_name' location parameter, letting unauthenticated attackers inject scripts executed on user page access, exploit requires nonce obtainable via public AJAX action.

CVSS base score 7.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-95809)

## Details

Type

Stored Xss

Impact

Stored Xss

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Published

16 October 2026

Updated

16 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to the latest version of Opti-Behavior plugin.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-95809](https://nvd.nist.gov/vuln/detail/CVE-2026-95809)
- [https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/admin/class-opti-behavior-heatmap-ajax-handler.php#L2656](https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/admin/class-opti-behavior-heatmap-ajax-handler.php#L2656)
- [https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/admin/class-opti-behavior-heatmap-post-metabox.php#L1498](https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/admin/class-opti-behavior-heatmap-post-metabox.php#L1498)
- [https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/assets/js/metabox-analytics.js#L668](https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/assets/js/metabox-analytics.js#L668)
- [https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/includes/class-opti-behavior-heatmap-session.php#L369](https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/includes/class-opti-behavior-heatmap-session.php#L369)
- [https://plugins.trac.wordpress.org/changeset/3738510/opti-behavior/trunk/assets/js/metabox-analytics.js](https://plugins.trac.wordpress.org/changeset/3738510/opti-behavior/trunk/assets/js/metabox-analytics.js)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/6c631593-4857-46c8-80b3-d028524cb86c?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/6c631593-4857-46c8-80b3-d028524cb86c?source=cve)
- [https://plugins.svn.wordpress.org/opti-behavior/](https://plugins.svn.wordpress.org/opti-behavior/)
- [https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/admin/class-opti-behavior-heatmap-ajax-handler.php#L1603](https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.0/admin/class-opti-behavior-heatmap-ajax-handler.php#L1603)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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