CVE-2026-96564
Received Received - Intake

Stored XSS in SEOPress WordPress Plugin

Publication date: 2026-10-03

Last updated on: 2026-10-03

Assigner: Wordfence

Description
The SEOPress – AI SEO Plugin & On-site SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Author Display Name in all versions up to, and including, 10.2 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. Exploitation requires the 'Track Authors' custom dimension to be configured in the plugin's Google Analytics 4 or Matomo settings, and the attacker must be able to publish public singular content (e.g., via bbPress forum topics) so that the injected display name is rendered in the tracking script.

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Meta Information

Published
2026-10-03
Last Modified
2026-10-03
Generated
2026-10-03
AI Q&A
2026-10-03
EPSS Evaluated
N/A
NVD
CVE-2026-96564
EUVD
EUVD-2026-91905

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
seopress ai_seo_plugin to 10.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

The SEOPress WordPress plugin has a stored cross-site scripting vulnerability due to insufficient input sanitization and output escaping in the Author Display Name feature. This allows unauthenticated attackers to inject malicious scripts into pages. Exploitation requires specific plugin settings and the attacker must be able to publish public content where the display name is rendered.

Detection Guidance

To detect this vulnerability, check if the SEOPress plugin is installed and review its version. Look for unauthorized JavaScript injections in pages where the 'Track Authors' custom dimension is enabled. Inspect public content like forum posts for suspicious display names that may contain scripts.

Impact Analysis

Attackers could inject malicious scripts that execute when users access infected pages. This could lead to unauthorized actions on behalf of users, data theft, or defacement of affected websites. The impact depends on user privileges and the nature of the injected scripts.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality requirements. For HIPAA, it may compromise protected health information integrity. Organizations using this plugin must address it to maintain compliance.

Mitigation Strategies

Immediately update the SEOPress plugin to the latest version beyond 10.2. Disable the 'Track Authors' custom dimension in Google Analytics 4 or Matomo settings. Review and remove any unauthorized scripts from user profiles or public content. Monitor for signs of exploitation.

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