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CVE-2026-27404— WordPress LMS theme <= 9.7 - Reflected Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Designthemes LMS
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.

Designthemes LMS是Designthemes团队的一款高级 WordPress 在线教育与培训主题。 Designthemes LMS 9.7及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的跨站脚本问题，可能导致攻击者未经验证利用网络访问，在用户交互下对系统造成低度机密性、完整性和可用性影响。

CVSS 7.1 · High EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
Designthemes LMS n/a≤ 9.7 affected
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I. Basic Information for CVE-2026-27404

Vulnerability Information
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Vulnerability Title
WordPress LMS theme <= 9.7 - Reflected Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in LMS <= 9.7 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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
Designthemes LMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Designthemes LMS是Designthemes团队的一款高级 WordPress 在线教育与培训主题。 Designthemes LMS 9.7及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的跨站脚本问题，可能导致攻击者未经验证利用网络访问，在用户交互下对系统造成低度机密性、完整性和可用性影响。
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
Designthemes LMS n/a ~ 9.7 -

II. Public POCs for CVE-2026-27404

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III. Intelligence Information for CVE-2026-27404

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Same Patch Batch · Designthemes · 2026-07-02 · 5 CVEs total

CVE-2026-27402 7.1 HIGH WordPress Kids Life | Children School WordPress theme <= 5.2 - Cross Site Scripting (XSS)
CVE-2025-69155 7.1 HIGH WordPress Fitness Zone WordPress Theme theme <= 5.7 - Cross Site Scripting (XSS) vulnerabi
CVE-2025-69153 7.1 HIGH WordPress Trendy Travel theme <= 6.7 - Reflected Cross Site Scripting (XSS) vulnerability
CVE-2025-69154 7.1 HIGH WordPress SpaLab | Beauty Salon WordPress Theme theme <= 6.7 - Cross Site Scripting (XSS)

IV. Related Vulnerabilities

Same product: LMS
Same vendor: Designthemes
Same weakness: CWE-79