CVE-2022-35251 Cross-site scripting in Rocket.chat
Attackers can inject persistent scripts into Rocket.Chat messages to hijack user content and block functionality.
- 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-2022-35251?
CVE-2022-35251 is a medium-severity cross-site scripting vulnerability in Rocket.chat Rocket.chat, published on 23 Sep 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A cross-site scripting vulnerability exists in Rocket.chat <v5 due to style injection in the complete chat window, an adversary is able to manipulate not only the style of it, but will also be able to block functionality as well as hijacking the content of targeted users. Hence the payloads are stored in messages, it is a persistent attack vector, which will trigger as soon as the message gets viewed.
Weakness: CWE-79
Which versions are affected by CVE-2022-35251?
It affects 1 product.
Products include Rocket.chat Rocket.chat.
How do I fix CVE-2022-35251?
No fix has been published for CVE-2022-35251 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-2022-35251 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-35251 exists.
Other vulnerabilities in Rocket.chat Rocket.chat
Sources
Also known as GHSA-72rp-xxph-m42m.