What’s Vulnerable › Vulnerabilities

CVE-2023-53905: ProjectSend r1605 CSV Injection via User Account Export Functionality

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-17 · updated 2026-06-17
• Weakness: CWE-1236

Description

ProjectSend r1605 contains a CSV injection vulnerability that allows authenticated users to inject malicious formulas into user profile names. Attackers can craft payloads like =calc|a!z| in the name field to trigger code execution when administrators export action logs as CSV files.

Affected products

• ProjectSend: r1605

References

• https://www.exploit-db.com/exploits/51517
• https://www.projectsend.org/
• https://www.vulncheck.com/advisories/projectsend-csv-injection-via-user-account-export-functionality
• https://www.exploit-db.com/exploits/51517

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