CVE-2026-2902
WP Meteor Website Speed Optimization Addon <= 3.4.16 - Unauthenticated Stored Cross-Site Scripting via Comment
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | aguidrevitch |
| Product | wp meteor website speed optimization addon |
| Published | Apr 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
aguidrevitch / WP Meteor Website Speed Optimization Addon
0 ≤ 3.4.16
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/dc92b20a-fb9b-477c-8fe4-68897c1fd07e?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wp-meteor/trunk/blocker/FirstInteraction/UltimateReorder.php#L68 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wp-meteor/trunk/blocker/FirstInteraction/UltimateReorder.php#L186 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wp-meteor/trunk/frontend/Rewrite.php#L43 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3466538/
Credits
Muhammad Yudha - DJ