CVE-2021-4281— Brave UX for-the-badge combine-prs.yml os command injection
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I. Basic Information for CVE-2021-4281
Vulnerability Information
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Vulnerability Title
Brave UX for-the-badge combine-prs.yml os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Brave UX for-the-badge and classified as critical. Affected by this issue is some unknown functionality of the file .github/workflows/combine-prs.yml. The manipulation leads to os command injection. The name of the patch is 55b5a234c0fab935df5fb08365bc8fe9c37cf46b. It is recommended to apply a patch to fix this issue. VDB-216842 is the identifier assigned to this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Brave 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brave是美国Brave公司的一个快速，私密和安全的Web浏览器。 Brave UX for-the-badge存在操作系统命令注入漏洞，该漏洞源于其.github/workflows/combine-prs.yml文件中的若干未知函数允许攻击者实现系统命令注入。
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 |
|---|---|---|---|---|
| Brave UX | for-the-badge | n/a | - |
II. Public POCs for CVE-2021-4281
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-4281 (2)
- https://github.com/BraveUX/for-the-badge/pull/165issue-tracking
Vendor Advisories for CVE-2021-4281 (2)
- https://vuldb.com/?id.216842vdb-entry
IV. Related Vulnerabilities
Same weakness: CWE-78
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pam_usb: PINENTRY_FALLBACK_APP environment variable allows a - CVE-2026-44713
pam_usb: Command injection via $TMUX environment variable le - CVE-2026-44724
systeminformation: Linux command injection in networkInterfa
V. Comments for CVE-2021-4281
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