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CVE-2025-63082— Joomla! Core - [20260101] - Inadequate content filtering for data URLs

Quick assessment

Affected
Joomla! Project Joomla! CMS
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.

Joomla! CMS是Joomla!开源的一个内容管理系统。 Joomla! CMS存在跨站脚本漏洞，该漏洞源于输入过滤不足，可能导致与img标签中数据URL相关的HTML过滤器代码存在跨站脚本攻击向量。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-63082

Vulnerability Information
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Vulnerability Title
Joomla! Core - [20260101] - Inadequate content filtering for data URLs
Source: CVE Program / CVE List V5
Vulnerability Description
Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U
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 跨站脚本漏洞
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存在跨站脚本漏洞，该漏洞源于输入过滤不足，可能导致与img标签中数据URL相关的HTML过滤器代码存在跨站脚本攻击向量。
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 4.0.0-5.4.1 -

II. Public POCs for CVE-2025-63082

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III. Intelligence Information for CVE-2025-63082

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Other References for CVE-2025-63082 (1)

IV. Related Vulnerabilities

Same product: Joomla! CMS
Same vendor: Joomla! Project
Same weakness: CWE-79

V. Comments for CVE-2025-63082

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