CVE-2022-30777 Cross-site scripting in n/a

Medium 6.1 Published 16 May 2022 Updated 3 Aug 2024

Cross-site scripting vulnerability in Parallels H-Sphere allows attackers to inject malicious scripts via the from parameter.

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-2022-30777?

CVE-2022-30777 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 May 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

Parallels H-Sphere 3.6.1713 allows XSS via the index_en.php from parameter.

Weakness: CWE-79

Which versions are affected by CVE-2022-30777?

It affects 1 product.

Products include Parallels H-Sphere.

How do I fix CVE-2022-30777?

No fix has been published for CVE-2022-30777 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-2022-30777 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-30777 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-27qc-3h99-8rcj.