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CVE-2026-48953— Joomla! Core - [20260707] - XSS in the generic image output layout

AI Predicted 6.1 Difficulty: Easy EPSS 0.15% · P4

Possible ATT&CK Techniques 1AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProductVersion RangeStatus
Joomla! ProjectJoomla! CMS4.0.0-5.4.6affected
6.0.0-6.1.1affected
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I. Basic Information for CVE-2026-48953

Vulnerability Information
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Vulnerability Title
Joomla! Core - [20260707] - XSS in the generic image output layout
Source: CVE Program / CVE List V5
Vulnerability Description
Lack of escaping leads to an XSS vulnerability in the generic image output layout.
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! Project Joomla! CMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla! Project Joomla! CMS是Joomla! Project的内容管理系统。 Joomla! Project Joomla! CMS存在跨站脚本漏洞，该漏洞源于缺乏转义导致在通用图像输出布局中存在跨站脚本漏洞。以下版本受到影响：4.0.0版本至5.4.6版本和6.0.0版本至6.1.1版本。
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

VendorProductAffected VersionsCPESubscribe
Joomla! ProjectJoomla! CMS 4.0.0-5.4.6 -

II. Public POCs for CVE-2026-48953

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-48953

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Vendor Advisories for CVE-2026-48953 (1)

Same Patch Batch · Joomla! Project · 2026-07-07 · 12 CVEs total

CVE-2026-48956Joomla! Core - [20260710] - Incorrect Access Control in com_modules
CVE-2026-48948Joomla! Core - [20260702] - Incorrect Access Control in com_contact vcf download
CVE-2026-48949Joomla! Core - [20260703] - XSS in MFA method management
CVE-2026-48957Joomla! Core - [20260711] - Incorrect Access Control in com_privacy webservice endpoints
CVE-2026-48952Joomla! Core - [20260706] - XSS in com_installer
CVE-2026-48947Joomla! Core - [20260701] - Incorrect Access Control in com_media webservice endpoints
CVE-2026-48950Joomla! Core - [20260704] - XSS in com_templates
CVE-2026-48954Joomla! Core - [20260708] - XSS through language overrides
CVE-2026-48958Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints
CVE-2026-48955Joomla! Core - [20260709] - Incorrect Access Control in com_workflow
CVE-2026-48951Joomla! Core - [20260705] - XSS in various modalreturn layouts

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-48953

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