CVE-2021-26036— [20210702] - Core - DoS through usergroup table manipulation
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-26036
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
[20210702] - Core - DoS through usergroup table manipulation
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Joomla! 2.5.0 through 3.9.27. Missing validation of input could lead to a broken usergroups table.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Joomla! CMS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla 是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla! CMS 2.5.0 - 3.9.27存在输入验证错误漏洞，该漏洞源于对用户提供的输入验证不足。
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 | 2.5.0-3.9.27 | - |
II. Public POCs for CVE-2021-26036
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-26036
请登录查看更多情报信息。
- https://developer.joomla.org/security-centre/857-20210702-core-dos-through-usergroup-table-manipulation.htmlx_refsource_MISCvendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-26036
Same Patch Batch · Joomla! Project · 2021-07-07 · 5 CVEs total
| CVE-2021-26035 | [20210701] - Core - XSS in JForm Rules field | |
| CVE-2021-26037 | [20210703] - Core - Lack of enforced session termination | |
| CVE-2021-26038 | [20210704] - Core - Privilege escalation through com_installer | |
| CVE-2021-26039 | [20210705] - Core - XSS in com_media imagelist |
IV. Related Vulnerabilities
Same product: Joomla! CMS
- CVE-2026-21630
Joomla! Core - [20260302] - SQL injection in com_content art - CVE-2026-23898
Joomla! Core - [20260305] - Arbitrary file deletion in com_j - CVE-2026-21629
Joomla! Core - [20260301] - ACL hardening in com_ajax - CVE-2026-23899
Joomla! Core - [20260306] - Improper access check in webserv - CVE-2026-21631
Joomla! Core - [20260303] - XSS vector in com_associations c
Same vendor: Joomla! Project
- CVE-2026-21630
Joomla! Core - [20260302] - SQL injection in com_content art - CVE-2026-23898
Joomla! Core - [20260305] - Arbitrary file deletion in com_j - CVE-2026-21629
Joomla! Core - [20260301] - ACL hardening in com_ajax - CVE-2026-23899
Joomla! Core - [20260306] - Improper access check in webserv - CVE-2026-21631
Joomla! Core - [20260303] - XSS vector in com_associations c
V. Comments for CVE-2021-26036
No comments yet