What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-23 · updated 2026-06-25
• Weakness: CWE-1236

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.

Affected products

• poweradmin: before 4.2.4; from 4.3.0, < 4.3.3

References

• https://github.com/poweradmin/poweradmin/releases/tag/v4.2.4
• https://github.com/poweradmin/poweradmin/releases/tag/v4.3.3
• https://github.com/poweradmin/poweradmin/security/advisories/GHSA-3h6h-67x3-cv5x
• https://github.com/poweradmin/poweradmin/security/advisories/GHSA-3h6h-67x3-cv5x

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