CVE-2021-36805 Akaunting Invoice Footer Persistent XSS

Medium 5.2 Published 4 Aug 2021 Updated 17 Sep 2024

Attackers can inject malicious scripts into sales invoice footers, potentially stealing user sessions or executing code in victim browsers.

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

What is CVE-2021-36805?

CVE-2021-36805 is a medium-severity cross-site scripting vulnerability in Akaunting, published on 4 Aug 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Akaunting version 2.1.12 and earlier suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in the sales invoice processing component of the application. This issue was fixed in version 2.1.13 of the product.

Weakness: CWE-79

Which versions are affected by CVE-2021-36805?

It affects 1 product.

Products include Akaunting Akaunting.

How do I fix CVE-2021-36805?

No fix has been published for CVE-2021-36805 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-36805 being exploited?

There is no known exploitation of CVE-2021-36805 in the wild and no public exploit code.

Sources

Also known as GHSA-cxpv-7632-3645.