CVE-2021-29447— WordPress 代码问题漏洞
一分钟漏洞结论
影响对象
WordPress wordpress-develop
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 存在代码问题漏洞，攻击者可利用该漏洞在成功的XXE攻击中可以访问内部文件。
公开利用映射 1
ExploitDB · 1
EDB-50304 [webapps]
可能的 ATT&CK 技术 1 AI
T1059 · Command and Scripting Interpreter
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一、 漏洞 CVE-2021-29447 基础信息
漏洞信息
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Vulnerability Title
WordPress Authenticated XXE attack when installation is running PHP 8
来源: CVE Program / CVE List V5
Vulnerability Description
Wordpress is an open source CMS. A user with the ability to upload files (like an Author) can exploit an XML parsing issue in the Media Library leading to XXE attacks. This requires WordPress installation to be using PHP 8. Access to internal files is possible in a successful XXE attack. This has been patched in WordPress version 5.7.1, along with the older affected versions via a minor release. We strongly recommend you keep auto-updates enabled.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
来源: CVE Program / CVE List V5
Vulnerability Title
WordPress 代码问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 存在代码问题漏洞，攻击者可利用该漏洞在成功的XXE攻击中可以访问内部文件。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| WordPress | wordpress-develop | >= 5.6.0, < 5.7.1 | - |
|
二、漏洞 CVE-2021-29447 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | WordPress - Authenticated XXE (CVE-2021-29447) | https://github.com/motikan2010/CVE-2021-29447 | POC详情 |
| 2 | WordPress XXE vulnerability | https://github.com/Vulnmachines/wordpress_cve-2021-29447 | POC详情 |
| 3 | Wordpress XXE injection 구축 자동화 및 PoC | https://github.com/dnr6419/CVE-2021-29447 | POC详情 |
| 4 | None | https://github.com/AssassinUKG/CVE-2021-29447 | POC详情 |
| 5 | None | https://github.com/b-abderrahmane/CVE-2021-29447-POC | POC详情 |
| 6 | Arbitrary file read controller based on CVE-2021-29447 | https://github.com/elf1337/blind-xxe-controller-CVE-2021-29447 | POC详情 |
| 7 | Proof of Concept for CVE-2021-29447 written in Python | https://github.com/Val-Resh/CVE-2021-29447-POC | POC详情 |
| 8 | Exploit WordPress Media Library XML External Entity Injection (XXE) to exfiltrate files. | https://github.com/M3l0nPan/wordpress-cve-2021-29447 | POC详情 |
| 9 | None | https://github.com/mega8bit/exploit_cve-2021-29447 | POC详情 |
| 10 | A Golang program to automate the execution of CVE-2021-29447 | https://github.com/thomas-osgood/CVE-2021-29447 | POC详情 |
| 11 | None | https://github.com/Abdulazizalsewedy/CVE-2021-29447 | POC详情 |
| 12 | None | https://github.com/G01d3nW01f/CVE-2021-29447 | POC详情 |
| 13 | CVE-2021-29447 - Authenticated XXE Injection - WordPress < 5.7.1 & PHP > 8 | https://github.com/viardant/CVE-2021-29447 | POC详情 |
| 14 | A proof of concept exploit for a wordpress 5.6 media library vulnerability | https://github.com/0xRar/CVE-2021-29447-PoC | POC详情 |
| 15 | None | https://github.com/andyhsu024/CVE-2021-29447 | POC详情 |
| 16 | None | https://github.com/specializzazione-cyber-security/demo-CVE-2021-29447-lezione | POC详情 |
| 17 | PoC for CVE-2021-29447 | https://github.com/magicrc/CVE-2021-29447 | POC详情 |
| 18 | POC to exploit WordPress 5.6-5.7 (PHP 8+) Authenticated XXE Injection. | https://github.com/Tea-On/CVE-2021-29447-Authenticated-XXE-WordPress-5.6-5.7 | POC详情 |
| 19 | The objective is to conduct a full-scale security assessment of a WordPress-based web application, culminating in a complete server compromise. The assessment will focus on exploiting a specific, real-world vulnerability (CVE-2021-29447) to achieve initial access. | https://github.com/ArtemCyberLab/Project-Project-Chimera-Exploiting-a-Modern-WordPress-XXE-to-Pillage-Secrets- | POC详情 |
| 20 | A XXE payload generator | https://github.com/0xricksanchez/CVE-2021-29447 | POC详情 |
| 21 | This repo describes about cve-2021-29447 and a small script for exploiting automatically | https://github.com/davids52/cve-2021-29447_auto-script | POC详情 |
| 22 | None | https://github.com/rdana55/CVE-2021-29447-PoC | POC详情 |
AI 生成 POC
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CVE-2021-29447 厂商安全公告 (2)
CVE-2021-29447 公开利用代码 (1)
CVE-2021-29447 邮件列表归档 (1)
CVE-2021-29447 安全博客文章 (1)
-
https://blog.sonarsource.com/wordpress-xxe-security-vulnerability/ x_refsource_MISC
CVE-2021-29447 其他参考 (1)
-
https://wordpress.org/news/category/security/ x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2021-29447
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