CVE-2026-96572CWE-79cross-site-scripting

CVE-2026-96572

High · published October 10, 2026

CVSS v3.1
7.2
EPSS
0%
Percentile
14.4
In the wild
Unconfirmed
What it is

The WP Meteor Website Speed Optimization Addon plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Author Name in all versions up to, and including, 3.4.18 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. The payload is delivered via the comment author name field, which must clear WordPress's comment moderation workflow before being displayed, though this represents a display prerequisite rather than any sanitization control.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00241 · 14.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-10T11:16Z
References (7)
https://plugins.trac.wordpress.org/browser/wp-meteor/tags/3.4.18/blocker/FirstInteraction/UltimateReorder.php#L169 · [email protected]https://plugins.trac.wordpress.org/browser/wp-meteor/tags/3.4.18/blocker/FirstInteraction/UltimateReorder.php#L178 · [email protected]https://plugins.trac.wordpress.org/browser/wp-meteor/tags/3.4.18/frontend/Rewrite.php#L41 · [email protected]https://plugins.trac.wordpress.org/browser/wp-meteor/tags/3.4.18/frontend/Rewrite.php#L93 · [email protected]https://plugins.trac.wordpress.org/changeset/3726637 · [email protected]https://plugins.trac.wordpress.org/changeset/3726637/wp-meteor/trunk/blocker/FirstInteraction/UltimateReorder.php · [email protected]https://www.wordfence.com/threat-intel/vulnerabilities/id/f54e358c-3bdf-426a-854a-d1bc8ff19afd?source=cve · [email protected]
EPSS history
Timeline
  • 11 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 10 OCT 06:40Z
    WP Meteor Website Speed Optimization Addon <= 3.4.18 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name
    cvelistv5
  • 10 OCT 06:40Z
    WP Meteor Website Speed Optimization Addon <= 3.4.18 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name
    cvelistv5