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CVE-2026-47693— Poweradmin: CSV Injection in log export endpoints allows formula execution in spreadsheet applications

Quick assessment

Affected
poweradmin poweradmin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

poweradmin poweradmin是poweradmin个人开发者的一款服务器系统管理软件。 Poweradmin 4.2.4之前版本和4.3.0版本至4.3.3之前版本存在输入验证错误漏洞，该漏洞源于日志导出功能中CSV注入问题，即用户控制的username字段写入CSV文件时未清理公式触发字符，可能导致将公式存储在用户名中，从而用于钓鱼攻击或数据渗漏。

CVSS 6.9 · Medium EPSS 0.38% · P31

Affected Version Matrix 2

VendorProduct Version RangeStatus
poweradmin poweradmin < 4.2.4 affected
>= 4.3.0, < 4.3.3 affected
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I. Basic Information for CVE-2026-47693

Vulnerability Information
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Vulnerability Title
Poweradmin: CSV Injection in log export endpoints allows formula execution in spreadsheet applications
Source: CVE Program / CVE List V5
Vulnerability Description
Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection (Formula Injection) in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing formula trigger characters (=, +, -, @). When an administrator exports activity logs and opens the resulting CSV in a spreadsheet application (Microsoft Excel, LibreOffice Calc, Google Sheets), any formula stored in a username is executed by the application. This can be used for phishing attacks against administrators or data exfiltration. Versions 4.2.4 and 4.3.3 patch the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1236
Source: CVE Program / CVE List V5
Vulnerability Title
poweradmin 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
poweradmin poweradmin是poweradmin个人开发者的一款服务器系统管理软件。 Poweradmin 4.2.4之前版本和4.3.0版本至4.3.3之前版本存在输入验证错误漏洞，该漏洞源于日志导出功能中CSV注入问题，即用户控制的username字段写入CSV文件时未清理公式触发字符，可能导致将公式存储在用户名中，从而用于钓鱼攻击或数据渗漏。
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
poweradmin poweradmin < 4.2.4 -

II. Public POCs for CVE-2026-47693

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III. Intelligence Information for CVE-2026-47693

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Vendor Advisories for CVE-2026-47693 (1)

Vendor Pages for CVE-2026-47693 (2)

IV. Related Vulnerabilities

Same product: poweradmin
Same vendor: poweradmin
Same weakness: CWE-1236