CVE-2025-54476— Joomla! Core - [20250901] Inadequate content filtering within the checkAttribute filter code
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2025-54476
Vulnerability Information
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Vulnerability Title
Joomla! Core - [20250901] Inadequate content filtering within the checkAttribute filter code
Source: CVE Program / CVE List V5
Vulnerability Description
Improper handling of input could lead to an XSS vector in the checkAttribute method of the input filter framework class.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA: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
Joomla! CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla! CMS是Joomla!开源的一个内容管理系统。 Joomla! CMS输入过滤框架存在安全漏洞，该漏洞源于checkAttribute方法输入处理不当，可能导致跨站脚本攻击。
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 |
|---|---|---|---|---|
| Joomla! Project | Joomla! CMS | 3.0.0-3.10.20 | - |
II. Public POCs for CVE-2025-54476
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-54476 (1)
IV. Related Vulnerabilities
Same product: Joomla! CMS
- CVE-2026-48952
Joomla! Core - [20260706] - XSS in com_installer - CVE-2026-48947
Joomla! Core - [20260701] - Incorrect Access Control in com_ - CVE-2026-48958
Joomla! Core - [20260712] - Incorrect Access Control in com_ - CVE-2026-48950
Joomla! Core - [20260704] - XSS in com_templates - CVE-2026-48955
Joomla! Core - [20260709] - Incorrect Access Control in com_
Same vendor: Joomla! Project
- CVE-2026-48952
Joomla! Core - [20260706] - XSS in com_installer - CVE-2026-48947
Joomla! Core - [20260701] - Incorrect Access Control in com_ - CVE-2026-48958
Joomla! Core - [20260712] - Incorrect Access Control in com_ - CVE-2026-48950
Joomla! Core - [20260704] - XSS in com_templates - CVE-2026-48955
Joomla! Core - [20260709] - Incorrect Access Control in com_
Same weakness: CWE-79
- CVE-2026-67328
@better-auth/sso before 1.6.21 Account Takeover via SSO - CVE-2026-67333
better-auth before 1.6.13 Stored XSS via javascript redirect - CVE-2025-71404
better-auth before 1.1.16 Reflected XSS via error parameter - CVE-2026-67352
luci-app-https-dns-proxy Stored XSS via resolver_url - CVE-2026-15644
Powerkit <= 3.1.0 - Authenticated (Contributor+) Stored Cros
V. Comments for CVE-2025-54476
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