CVE-2021-47957— WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar_msg
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise T1539 · Steal Web Session CookieAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Cookielawinfo | Cookie Law Bar | 1.2.1 | affected |
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I. Basic Information for CVE-2021-47957
Vulnerability Information
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Vulnerability Title
WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar_msg
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cookie Law Bar 1.2.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting unsanitized input to the Bar Message field. Attackers can inject script payloads through the plugin settings page that execute in the browsers of all WordPress users viewing the site, enabling cookie theft and sensitive data exfiltration.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Cookie Law Bar 跨站脚本漏洞
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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Cookie Law Bar 1.2.1版本存在跨站脚本漏洞，该漏洞源于存储型跨站脚本问题，可能导致经过身份验证的攻击者通过向Bar Message字段提交未清理的输入注入恶意脚本。
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 |
|---|---|---|---|---|
| Cookielawinfo | Cookie Law Bar | 1.2.1 | - |
II. Public POCs for CVE-2021-47957
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-79
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