CVE-2021-23128— [20210302] - Core - Potential Insecure FOFEncryptRandval
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I. Basic Information for CVE-2021-23128
Vulnerability Information
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Vulnerability Title
[20210302] - Core - Potential Insecure FOFEncryptRandval
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.
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 安全漏洞
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 Core 存在安全漏洞，目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。以下产品及版本受到影响：Joomla! 3.2.0 through 3.9.24
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 | 3.2.0-3.9.24 | - |
II. Public POCs for CVE-2021-23128
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://developer.joomla.org/security-centre/842-20210302-core-potential-insecure-fofencryptrandval.htmlx_refsource_MISCvendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-23128
Same Patch Batch · Joomla! Project · 2021-03-04 · 10 CVEs total
| CVE-2021-23129 | [20210303] - Core - XSS within alert messages showed to users | |
| CVE-2021-23130 | [20210304] - Core - XSS within the feed parser library | |
| CVE-2021-23131 | [20210305] - Core - Input validation within the template manager | |
| CVE-2021-23132 | [20210306] - Core - com_media allowed paths that are not intended for image uploads | |
| CVE-2021-26027 | [20210307] - Core - ACL violation within com_content frontend editing | |
| CVE-2021-26028 | [20210308] - Core - Path Traversal within joomla/archive zip class | |
| CVE-2021-26029 | [20210309] - Core - Inadequate filtering of form contents could allow to overwrite the aut | |
| CVE-2021-23126 | [20210301] - Core - Insecure randomness within 2FA secret generation | |
| CVE-2021-23127 | [20210301] - Core - Insecure randomness within 2FA secret generation |
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-2021-23128
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