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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 29 Apr 2026 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Aguidrevitch
Aguidrevitch wp Meteor Website Speed Optimization Addon
Wordpress
Wordpress wordpress
Vendors & Products Aguidrevitch
Aguidrevitch wp Meteor Website Speed Optimization Addon
Wordpress
Wordpress wordpress

Wed, 29 Apr 2026 12:00:00 +0000

Type Values Removed Values Added
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.
Title WP Meteor Website Speed Optimization Addon <= 3.4.16 - Unauthenticated Stored Cross-Site Scripting via Comment
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-29T11:17:35.637Z

Reserved: 2026-02-20T19:51:33.715Z

Link: CVE-2026-2902

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-29T12:16:18.753

Modified: 2026-04-29T12:16:18.753

Link: CVE-2026-2902

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-29T13:30:11Z

Weaknesses