CVE-2021-43515

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-08 · updated 2026-06-17
Weakness: CWE-1236

Description

CSV Injection (aka Excel Macro Injection or Formula Injection) exists in creating new timesheet in Kimai. By filling the Description field with malicious payload, it will be mistreated while exporting to a CSV file.

Affected products

kimai: before 1.14.1 — fixed in 1.14.1

How to fix

Upgrade to a fixed version: kimai 1.14.1. Check the vendor advisory for mitigations.

References

https://github.com/kevinpapst/kimai2/commit/dad1b8b772947f1596175add1b4f33b791705507#diff-6774f5865dbaf8bc6c55b75bd92e6f9950ebe7834aa2efd828a19fd637e667cf
https://github.com/kevinpapst/kimai2/commit/dad1b8b772947f1596175add1b4f33b791705507#diff-6774f5865dbaf8bc6c55b75bd92e6f9950ebe7834aa2efd828a19fd637e667cf

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