CVE-2021-33351 Cross-site scripting in n/a

Critical 9.0 Published 8 Mar 2023 Updated 5 Mar 2025

Attackers can escalate privileges via cross-site scripting in the ticket message field of the Wyomind Help Desk extension.

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-2021-33351?

CVE-2021-33351 is a critical cross-site scripting vulnerability in n/a, published on 8 Mar 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 Vulnerability in Wyomind Help Desk Magento 2 extension v.1.3.6 and before and fixed in v.1.3.7 allows attackers to escalte privileges via a crafted payload in the ticket message field.

Weakness: CWE-79

Which versions are affected by CVE-2021-33351?

It affects 1 product.

Products include Wyomind Help Desk.

How do I fix CVE-2021-33351?

No fix has been published for CVE-2021-33351 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-2021-33351 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-33351 exists.

Sources

Also known as GHSA-9mp8-gcgh-g4g9.