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CVE-2026-5934— WP Rocket <= 3.21.0.1 - Unauthenticated Stored Cross-Site Scripting via Picture Source Attributes in rocket_beacon Endpoint

Quick assessment

Affected
WP Media WP Rocket
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.

WP Media WP Rocket是WP Media组织的一个提升网站加载速度的缓存插件。 WP Media WP Rocket 3.21.0.1及之前版本存在跨站脚本漏洞，该漏洞源于通过rocket_beacon AJAX端点对用户提供的数据清理和输出转义不足，可能导致未经身份验证的攻击者注入任意Web脚本，当用户访问被注入页面时执行。

CVSS 7.2 · High EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
WP Media WP Rocket ≤ 3.21.0.1 affected
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I. Basic Information for CVE-2026-5934

Vulnerability Information
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Vulnerability Title
WP Rocket <= 3.21.0.1 - Unauthenticated Stored Cross-Site Scripting via Picture Source Attributes in rocket_beacon Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Rocket plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.21.0.1. This is due to insufficient input sanitization and output escaping of user-supplied data via the rocket_beacon AJAX endpoint. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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
Vulnerability Title
WP Media WP Rocket 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WP Media WP Rocket是WP Media组织的一个提升网站加载速度的缓存插件。 WP Media WP Rocket 3.21.0.1及之前版本存在跨站脚本漏洞，该漏洞源于通过rocket_beacon AJAX端点对用户提供的数据清理和输出转义不足，可能导致未经身份验证的攻击者注入任意Web脚本，当用户访问被注入页面时执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WP Media WP Rocket 0 ~ 3.21.0.1 -

II. Public POCs for CVE-2026-5934

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III. Intelligence Information for CVE-2026-5934

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Vendor Pages for CVE-2026-5934 (2)

IV. Related Vulnerabilities

Same product: WP Rocket
Same vendor: WP Media
Same weakness: CWE-79

V. Comments for CVE-2026-5934

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