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CVE-2026-35223— Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints

AI Predicted 9.8 Difficulty: Trivial EPSS 0.35% · P27

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProductVersion RangeStatus
Joomla! ProjectJoomla! CMS4.0.0-5.4.5affected
6.0.0-6.1.0affected
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I. Basic Information for CVE-2026-35223

Vulnerability Information
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Vulnerability Title
Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
An improper access check allows unauthorized access to com_config webservice endpoints.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla! CMS 访问控制错误漏洞
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存在访问控制错误漏洞，该漏洞源于访问检查不当，可能导致未经授权访问com_config Web服务端点。
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 4.0.0-5.4.5 -

II. Public POCs for CVE-2026-35223

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-35223

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Vendor Advisories for CVE-2026-35223 (1)

Same Patch Batch · Joomla! Project · 2026-05-26 · 20 CVEs total

CVE-2026-48904Joomla! Core - [20260514] - Privilege escalation through com_users webservice endpoints
CVE-2026-30894Joomla! Core - [20260503] - XSS in com_contenthistory
CVE-2026-30895Joomla! Core - [20260504] - XSS in readmore links
CVE-2026-40383Joomla! Core - [20260509] - LFI in HTMLView layout parameter
CVE-2026-40384Joomla! Core - [20260510] - Path traversal in com_media webservice endpoint
CVE-2026-35221Joomla! Core - [20260506] - Authenticated blind SQLi in com_finder
CVE-2026-35222Joomla! Core - [20260507] - Authenticated blind SQLi in com_tags
CVE-2026-35220Joomla! Core - [20260505] - CSRF in user activation endpoint
CVE-2026-48903Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute fi
CVE-2026-48905Joomla! Framework - [20260520] - Inadequate content filtering within the cleanAttributes f
CVE-2026-25901Joomla! Core - [20260502] - XSS in com_associations
CVE-2026-48897Joomla! Core - [20260512] - MFA Authentication Bypass
CVE-2026-48896Joomla! Core - [20260511] - MFA Authentication Bypass
CVE-2026-48898Joomla! Core - [20260513] - Privilege escalation through com_users batch task
CVE-2026-48899Joomla! Core - [20260515] - Incorrect Access Control in sample data plugins
CVE-2026-48902Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset
CVE-2026-48900Joomla! Core - [20260516] - Incorrect Access Control in com_scheduler
CVE-2026-48901Joomla! Core - [20260517] - Incorrect Cache Key Construction for InputFilter objects
CVE-2026-25900Joomla! Core - [20260501] - XSS in feed modules

IV. Related Vulnerabilities

Same product: Joomla! CMS
Same vendor: Joomla! Project
Same weakness: CWE-284

V. Comments for CVE-2026-35223

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