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CVE-2026-96572— WP Meteor Website Speed Optimization Addon <= 3.4.18 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name

Quick assessment

Affected
aguidrevitch WP Meteor Website Speed Optimization Addon
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 WP Meteor 网站速度优化插件在 3.4.18 及之前版本中存在存储型跨站脚本（Stored XSS）漏洞，该漏洞源于评论作者名字段的输入清理和输出转义措施不足。此漏洞允许未经身份验证的攻击者在网页中注入任意的 Web 脚本，当用户访问被注入脚本的页面时，恶意脚本将会执行。攻击载荷通过评论作者名字段进行传递，该内容必须通过 WordPress 的评论审核流程才能在前端显示，但这仅是一个显示前提条件，并非有效的安全措施或过滤机制。

CVSS 7.2 · High EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
aguidrevitch WP Meteor Website Speed Optimization Addon ≤ 3.4.18 affected
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I. Basic Information for CVE-2026-96572

Vulnerability Information
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Vulnerability Title
WP Meteor Website Speed Optimization Addon <= 3.4.18 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
aguidrevitch WP Meteor Website Speed Optimization Addon 0 ~ 3.4.18 -

II. Public POCs for CVE-2026-96572

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III. Intelligence Information for CVE-2026-96572

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Patches & Fixes for CVE-2026-96572 (4)

Other References for CVE-2026-96572 (2)

IV. Related Vulnerabilities

Same product: WP Meteor Website Speed Optimization Addon
Same vendor: aguidrevitch
Same weakness: CWE-79

V. Comments for CVE-2026-96572

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