CVE-2021-40848 Code injection in n/a
Attackers can inject malicious formulas into exported CSV files, leading to local code execution when opened in spreadsheet software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-40848?
CVE-2021-40848 is a high-severity code injection vulnerability in Mahara Mahara, published on 3 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-1236
Which versions are affected by CVE-2021-40848?
It affects 1 product.
Products include Mahara Mahara.
How do I fix CVE-2021-40848?
No fix has been published for CVE-2021-40848 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-2021-40848 being exploited?
There is no known exploitation of CVE-2021-40848 in the wild and no public exploit code.
Other vulnerabilities in Mahara Mahara
Sources
Also known as GHSA-xxj6-2w57-fchv.