CVE-2021-36712 Cross-site scripting in n/a

Medium 5.4 Published 3 Feb 2023 Updated 9 Jul 2026

Attackers can steal user cookies via XSS in the image clipping function of yzmcms, potentially leading to account takeover.

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

What is CVE-2021-36712?

CVE-2021-36712 is a medium-severity cross-site scripting vulnerability in n/a, published on 3 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) vulnerability in yzmcms 6.1 allows attackers to steal user cookies via image clipping function.

Weakness: CWE-79

Which versions are affected by CVE-2021-36712?

It affects 1 product.

Products include Yzmcms Yzmcms.

How do I fix CVE-2021-36712?

No fix has been published for CVE-2021-36712 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-2021-36712 being exploited?

There is no known exploitation of CVE-2021-36712 in the wild and no public exploit code.

Sources

Also known as GHSA-x6fm-qhpw-xc88.