CVE-2020-21082 Cross-site scripting in n/a

Medium 6.1 Published 14 Sep 2021 Updated 4 Aug 2024

Attackers can steal administrator and user cookies via XSS in the Maccms article management module, potentially leading to account takeover.

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

What is CVE-2020-21082?

CVE-2020-21082 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A cross-site scripting (XSS) vulnerability in the background administrator article management module of Maccms 8.0 allows attackers to steal administrator and user cookies via crafted payloads in the text fields for Chinese and English names.

Weakness: CWE-79

Which versions are affected by CVE-2020-21082?

It affects 1 product.

Products include Maccms Maccms.

How do I fix CVE-2020-21082?

No fix has been published for CVE-2020-21082 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-2020-21082 being exploited?

There is no known exploitation of CVE-2020-21082 in the wild and no public exploit code.

Sources

Also known as GHSA-r5j4-m35f-mj7g.