CVE-2026-65533
Received Received - Intake

Contributor XSS in Smart SEO Tool <= 4.1.2

Publication date: 2026-07-23

Last updated on: 2026-07-23

Assigner: Patchstack

Description
Contributor Cross Site Scripting (XSS) in Smart SEO Tool <= 4.1.2 versions.

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Meta Information

Published
2026-07-23
Last Modified
2026-07-23
Generated
2026-07-23
AI Q&A
2026-07-23
EPSS Evaluated
N/A
NVD
CVE-2026-65533
EUVD
EUVD-2026-48134

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack smart_seo_tool to 4.1.2 (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

This is a Cross Site Scripting (XSS) vulnerability in the Smart SEO Tool WordPress plugin versions 4.1.2 and below. It allows attackers to inject malicious scripts into websites by exploiting a flaw that requires a privileged user like a Contributor to perform an action such as clicking a malicious link or submitting a form.

Detection Guidance

To detect this vulnerability, inspect the Smart SEO Tool plugin version on your WordPress site. Check if it is version 4.1.2 or below. Review user input fields and URLs for suspicious scripts or payloads. Monitor for unusual redirects or advertisements on your site.

Impact Analysis

Attackers could inject harmful scripts that execute when visitors access the site, potentially causing redirects, displaying unwanted advertisements, or stealing user data. Successful exploitation requires a privileged user to trigger the vulnerability.

Compliance Impact

This XSS vulnerability could potentially expose websites to data breaches by allowing attackers to inject malicious scripts that steal user data or session cookies. This may impact compliance with GDPR by risking unauthorized access to personal data and HIPAA by compromising protected health information if exploited on healthcare sites.

Mitigation Strategies

Immediately update the Smart SEO Tool plugin to the latest version if available. If no patch exists, consider disabling the plugin temporarily. Remove or restrict Contributor-level user access to reduce attack surface. Consult your hosting provider or web developer for further assistance.

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