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CVE-2026-95686

HIGH 7.2 CVSS 3.1
Published
October 16, 2026
Last modified
October 16, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The Opti-Behavior – Self-Hosted Heatmaps, Session Recordings, Funnels, A/B Testing & Smart Insights plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the 'targetUrl' parameter in all versions up to, and including, 1.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The ingest endpoint is gated only by a nonce that is publicly emitted to every anonymous visitor on tracked pages via optiBehaviorHeatmapConfig.nonce, meaning no account or authentication of any kind is required to write the malicious payload.

Affected WordPress components

  • Opti-Behavior – Self-Hosted Heatmaps, Session Recordings, Funnels, A/B Testing & Smart Insights Plugin · opti-behavior
    Confirmed match Active
    Up to and including 1.9.2.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • optiuser Opti-Behavior – Self-Hosted Heatmaps, Funnels, A/B Testing & Smart Insights — Up to and including 1.9.2.1

References

  • plugins.svn.wordpress.org https://plugins.svn.wordpress.org/opti-behavior/
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.1/admin/class-opti-behavior-heatmap-ajax-handler.php#L1652
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.1/admin/class-opti-behavior-heatmap-ajax-handler.php#L3455
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.1/admin/class-opti-behavior-heatmap-post-metabox.php#L1389
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.1/assets/js/metabox-analytics.js#L553
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/opti-behavior/tags/1.9.1/public/class-opti-behavior-heatmap-frontend.php#L905
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3738510/opti-behavior/trunk/assets/js/metabox-analytics.js
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/41f6939d-d87a-47e5-979f-2cad021c6e81?source=cve
  • nvd.nist.gov Official NVD record