CVE-2026-54870
Received Received - Intake

Stored XSS in Weaver Xtreme Theme Support

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpweaver Weaver Xtreme Theme Support weaverx-theme-support allows Stored XSS.This issue affects Weaver Xtreme Theme Support: from n/a through 7.0.1.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-54870
EUVD
EUVD-2026-98295

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpweaver Weaver Xtreme Theme Support 0

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 Stored Cross-Site Scripting (XSS) vulnerability in the Weaver Xtreme Theme Support plugin for WordPress. It allows attackers to inject malicious scripts into web pages that are then stored and executed when other users view those pages. The flaw exists due to improper neutralization of user input during web page generation.

Detection Guidance

Detecting this XSS vulnerability requires checking the installed version of the Weaver Xtreme Theme Support plugin. Use WordPress admin dashboard to view plugin versions or run SQL queries on the database to check plugin versions. Alternatively, use security plugins like Wordfence or Sucuri to scan for vulnerable plugins.

Impact Analysis

Attackers could steal visitor data, hijack user accounts, or perform unauthorized actions on behalf of users with privileged roles like Contributors or Developers. Successful exploitation requires user interaction, such as clicking a malicious link or submitting a form.

Mitigation Strategies

Immediately update the Weaver Xtreme Theme Support plugin to the latest version if available. If no patch exists, consider disabling the plugin temporarily or replacing it with a secure alternative. Contact your hosting provider or a web developer for assistance. Monitor your site for suspicious activity and implement a web application firewall for additional protection.

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