CVE-2021-41663 Cross-site scripting in n/a

Medium 6.1 Published 13 Jun 2022 Updated 9 Jul 2026

An attacker can inject malicious scripts via the article upload feature in Mini CMS, potentially compromising user sessions or data.

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-2021-41663?

CVE-2021-41663 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Jun 2022. 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 exists in Mini CMS V1.11. The vulnerability exists in the article upload: post-edit.php page.

Weakness: CWE-79

Which versions are affected by CVE-2021-41663?

It affects 1 product.

Products include 1234n Minicms.

How do I fix CVE-2021-41663?

No fix has been published for CVE-2021-41663 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-2021-41663 being exploited?

There is no known exploitation of CVE-2021-41663 in the wild and no public exploit code.

Sources

Also known as GHSA-x4gv-4jg3-4vr6.