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

Medium 6.2 Published 17 Dec 2025 Updated 7 Apr 2026

Authenticated users can inject malicious formulas into profile names, leading to code execution when administrators export action logs as CSV files.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-53905?

CVE-2023-53905 is a medium-severity code injection vulnerability in projectSend, published on 17 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-1236

Which versions are affected by CVE-2023-53905?

It affects 1 product.

Products include Projectsend Projectsend.

How do I fix CVE-2023-53905?

No fix has been published for CVE-2023-53905 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-53905 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53905 exists.

Sources

Also known as GHSA-qpqq-223w-7pwh.