What is CVE-2023-53905?

CVE-2023-53905 is a high-severity vulnerability in Projectsend, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.0/10. Published 2025-12-17.

How severe is CVE-2023-53905?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Projectsend

CVE-2023-53905

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 ad…

EPSS: 0.001 (22.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Projectsend — versions r1605

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

References

ExploitDB-51517 (exploit)
Official Product Homepage (product)
VulnCheck Advisory: ProjectSend r1605 CSV Injection via User Account Export Functionality (third-party-advisory)

Frequently asked questions

What is CVE-2023-53905?: CVE-2023-53905 is a high-severity vulnerability in Projectsend, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.0/10. Published 2025-12-17.
How severe is CVE-2023-53905?: High severity. CVSS v3 base score is 8.0 out of 10.