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CVE-2025-54299— Extension - nobossextensions.com - Stored XSS vulnerability in No Boss Testimonials component 1.0.0-3.0.0 and 4.0.0-4.0.2 for Joomla

Quick assessment

Affected
nobossextensions.com No Boss Testimonials component for Joomla
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.

No Boss Extensions No Boss Testimonials component for Joomla是巴西No Boss Extensions公司的一款Joomla插件。 No Boss Extensions No Boss Testimonials component for Joomla 1.0.0至3.0.0版本和4.0.0至4.0.2版本存在跨站脚本漏洞，该漏洞源于存储型跨站脚本。

AI Predicted 6.1 Difficulty: Easy EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-54299

Vulnerability Information
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Vulnerability Title
Extension - nobossextensions.com - Stored XSS vulnerability in No Boss Testimonials component 1.0.0-3.0.0 and 4.0.0-4.0.2 for Joomla
Source: CVE Program / CVE List V5
Vulnerability Description
A stored XSS vulnerability in No Boss Testimonials component 1.0.0-3.0.0 and 4.0.0-4.0.2 for Joomla was discovered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
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
No Boss Extensions No Boss Testimonials component for Joomla 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
No Boss Extensions No Boss Testimonials component for Joomla是巴西No Boss Extensions公司的一款Joomla插件。 No Boss Extensions No Boss Testimonials component for Joomla 1.0.0至3.0.0版本和4.0.0至4.0.2版本存在跨站脚本漏洞，该漏洞源于存储型跨站脚本。
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
nobossextensions.com No Boss Testimonials component for Joomla 4.0.0-4.0.2 -

II. Public POCs for CVE-2025-54299

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III. Intelligence Information for CVE-2025-54299

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Other References for CVE-2025-54299 (1)

IV. Related Vulnerabilities

Same vendor: nobossextensions.com
Same weakness: CWE-79

V. Comments for CVE-2025-54299

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