CVE-2023-45206 Cross-site scripting in n/a

Medium 6.1 Published 13 Feb 2024 Updated 7 May 2025

Attackers can inject JavaScript or HTML via the webmail help document endpoint, potentially leading to session hijacking or malicious actions.

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-2023-45206?

CVE-2023-45206 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Feb 2024. 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

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. Through the help document endpoint in webmail, an attacker can inject JavaScript or HTML code that leads to cross-site scripting (XSS). (Adding an adequate message to avoid malicious code will mitigate this issue.)

Weakness: CWE-79

Which versions are affected by CVE-2023-45206?

It affects 1 product.

Products include Zimbra Collaboration.

How do I fix CVE-2023-45206?

No fix has been published for CVE-2023-45206 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-2023-45206 being exploited?

There is no known exploitation of CVE-2023-45206 in the wild and no public exploit code.

Sources

Also known as GHSA-4hpc-jmfv-gf3c.