CVE-2026-35220— Joomla! Core - [20260505] - CSRF in user activation endpoint
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存在跨站请求伪造漏洞，该漏洞源于CSRF令牌验证缺失，可能导致com_users管理激活端点中的跨站请求伪造攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Joomla! Project | Joomla! CMS | 6.0.0-6.1.0 |
affected |
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I. Basic Information for CVE-2026-35220
Vulnerability Information
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Vulnerability Title
Joomla! Core - [20260505] - CSRF in user activation endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Lack of CSRF token validation lead to a CSRF attack vector in the admin activation endpoint of com_users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla! CMS 跨站请求伪造漏洞
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存在跨站请求伪造漏洞，该漏洞源于CSRF令牌验证缺失，可能导致com_users管理激活端点中的跨站请求伪造攻击。
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 | 6.0.0-6.1.0 | - |
|
II. Public POCs for CVE-2026-35220
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-35220 (1)
Same Patch Batch · Joomla! Project · 2026-05-26 · 20 CVEs total
| CVE-2026-48904 | Joomla! Core - [20260514] - Privilege escalation through com_users webservice endpoints | |
| CVE-2026-30894 | Joomla! Core - [20260503] - XSS in com_contenthistory | |
| CVE-2026-30895 | Joomla! Core - [20260504] - XSS in readmore links | |
| CVE-2026-40383 | Joomla! Core - [20260509] - LFI in HTMLView layout parameter | |
| CVE-2026-40384 | Joomla! Core - [20260510] - Path traversal in com_media webservice endpoint | |
| CVE-2026-35221 | Joomla! Core - [20260506] - Authenticated blind SQLi in com_finder | |
| CVE-2026-35222 | Joomla! Core - [20260507] - Authenticated blind SQLi in com_tags | |
| CVE-2026-35223 | Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints | |
| CVE-2026-48903 | Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute fi | |
| CVE-2026-48905 | Joomla! Framework - [20260520] - Inadequate content filtering within the cleanAttributes f | |
| CVE-2026-25901 | Joomla! Core - [20260502] - XSS in com_associations | |
| CVE-2026-48897 | Joomla! Core - [20260512] - MFA Authentication Bypass | |
| CVE-2026-48896 | Joomla! Core - [20260511] - MFA Authentication Bypass | |
| CVE-2026-48898 | Joomla! Core - [20260513] - Privilege escalation through com_users batch task | |
| CVE-2026-48899 | Joomla! Core - [20260515] - Incorrect Access Control in sample data plugins | |
| CVE-2026-48902 | Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset | |
| CVE-2026-48900 | Joomla! Core - [20260516] - Incorrect Access Control in com_scheduler | |
| CVE-2026-48901 | Joomla! Core - [20260517] - Incorrect Cache Key Construction for InputFilter objects | |
| CVE-2026-25900 | Joomla! Core - [20260501] - XSS in feed modules |
IV. Related Vulnerabilities
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CVE-2026-90915
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CVE-2026-90907
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Same weakness: CWE-352
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V. Comments for CVE-2026-35220
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