CVE-2021-40848: Mahara

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exported CSV files could contain characters that a spreadsheet program could interpret as a command, leading to execution of a malicious string locally on a device, aka CSV injection.

Affected products

• Mahara Mahara: before 20.04.5 (fixed in 20.04.5); from 20.10.0, before 20.10.3 (fixed in 20.10.3); from 21.04.0, before 21.04.2 (fixed in 21.04.2); version 21.10.0 only

Published 2021-11-03. Last modified 2026-06-17.