CVE-2026-2902
Received Received - Intake

Stored XSS in WP Meteor Plugin Allows Remote Script Injection

Publication date: 2026-04-29

Last updated on: 2026-04-29

Assigner: Wordfence

Description
The WP Meteor Website Speed Optimization Addon plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'frontend_rewrite' function's 'WPMETEOR[N]WPMETEOR' placeholder content in all versions up to, and including, 3.4.16 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.

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Meta Information

Published
2026-04-29
Last Modified
2026-04-29
Generated
2026-07-06
AI Q&A
2026-04-29
EPSS Evaluated
2026-07-05
NVD
CVE-2026-2902
EUVD
EUVD-2026-26209

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wp_meteor website_speed_optimization_addon to 3.4.16 (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 WP Meteor Website Speed Optimization Addon plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its 'frontend_rewrite' function. This vulnerability arises because the plugin does not properly sanitize or escape input related to the 'WPMETEOR[N]WPMETEOR' placeholder content. As a result, unauthenticated attackers can inject malicious scripts into pages, which will execute whenever a user visits those pages.

Impact Analysis

This vulnerability can allow attackers to execute arbitrary scripts in the context of the affected website. This can lead to theft of user credentials, session hijacking, defacement of the website, or distribution of malware to visitors. Since the attack can be performed by unauthenticated users, it poses a significant risk to both site administrators and visitors.

Executive Summary

The WP Meteor Website Speed Optimization Addon plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its 'frontend_rewrite' function. This vulnerability arises because the plugin does not properly sanitize or escape input related to the 'WPMETEOR[N]WPMETEOR' placeholder content. As a result, unauthenticated attackers can inject malicious scripts that will be stored and executed whenever a user visits the affected page.

Impact Analysis

This vulnerability can allow attackers to execute arbitrary scripts in the context of users visiting the affected website. This can lead to theft of user credentials, session hijacking, defacement of the website, or distribution of malware. Since the attack can be performed by unauthenticated users and affects all visitors, it poses a significant security risk.

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