Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-48954— Joomla! Core - [20260708] - XSS through language overrides

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! 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，该漏洞源于输入验证不当，在语言覆盖功能中可能导致通用跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 2

VendorProduct Version RangeStatus
Joomla! Project Joomla! CMS 3.0.0-5.4.6 affected
6.0.0-6.1.1 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-48954

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Joomla! Core - [20260708] - XSS through language overrides
Source: CVE Program / CVE List V5
Vulnerability Description
Improper validation leads to a generic XSS vector in the language override feature.
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，该漏洞源于输入验证不当，在语言覆盖功能中可能导致通用跨站脚本攻击。
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 3.0.0-5.4.6 -

II. Public POCs for CVE-2026-48954

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-48954

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-48954 (1)

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

CVE-2026-48956 Joomla! Core - [20260710] - Incorrect Access Control in com_modules
CVE-2026-48948 Joomla! Core - [20260702] - Incorrect Access Control in com_contact vcf download
CVE-2026-48949 Joomla! Core - [20260703] - XSS in MFA method management
CVE-2026-48957 Joomla! Core - [20260711] - Incorrect Access Control in com_privacy webservice endpoints
CVE-2026-48952 Joomla! Core - [20260706] - XSS in com_installer
CVE-2026-48947 Joomla! Core - [20260701] - Incorrect Access Control in com_media webservice endpoints
CVE-2026-48953 Joomla! Core - [20260707] - XSS in the generic image output layout
CVE-2026-48950 Joomla! Core - [20260704] - XSS in com_templates
CVE-2026-48958 Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints
CVE-2026-48955 Joomla! Core - [20260709] - Incorrect Access Control in com_workflow
CVE-2026-48951 Joomla! 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-2026-48954

No comments yet

Leave a comment