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I. Basic Information for CVE-2021-25094
Vulnerability Information
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Vulnerability Title
Tatsu < 3.3.12 - Unauthenticated RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Tatsu WordPress plugin before 3.3.12 add_custom_font action can be used without prior authentication to upload a rogue zip file which is uncompressed under the WordPress's upload directory. By adding a PHP shell with a filename starting with a dot ".", this can bypass extension control implemented in the plugin. Moreover, there is a race condition in the zip extraction process which makes the shell file live long enough on the filesystem to be callable by an attacker.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Tatsu 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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 plugin是一个应用插件。 WordPress plugin Tatsu 3.3.12 之前版本存在访问控制错误漏洞，该漏洞源于 add_custom_font 操作无需事先身份验证即可用于上传在 WordPress 上传目录下未压缩的 zip 文件。攻击者可以在 Wordpress 中
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
UnknownTatsu 3.3.12 ~ 3.3.12 -
II. Public POCs for CVE-2021-25094
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/darkpills/CVE-2021-25094-tatsu-preauth-rcePOC Details
2GILANG - Exploiter for CVE-2021-25094https://github.com/TUANB4DUT/typehub-exploiterPOC Details
3Tatsu Plugin ZIP File add_custom_font unrestricted uploadhttps://github.com/xdx57/CVE-2021-25094POC Details
4This script exploits a vulnerability (CVE-2021-25094) in the TypeHub WordPress plugin.https://github.com/experimentalcrow1/TypeHub-ExploiterPOC Details
5An unrestricted file upload in WordPress Tatsubuilder plugin version <= 3.3.11 enables an unauthenticated attacker to perform a remote code execution (RCE) on the server host due to multiple weaknesses in the font import feature and put 100,000 websites at risk. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-25094.yamlPOC Details
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III. Intelligence Information for CVE-2021-25094
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IV. Related Vulnerabilities
Same vendor: Unknown
Same weakness: CWE-306
V. Comments for CVE-2021-25094

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