CVE-2020-8288 Cross-site scripting in Rocket.Chat server
An XSS vulnerability in Rocket.Chat server allows attackers to inject scripts via the value parameter, potentially leading to session hijacking or code execution.
- 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-2020-8288?
CVE-2020-8288 is a medium-severity cross-site scripting vulnerability in Rocket.chat Rocket.chat, published on 21 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter.
Weakness: CWE-79
Which versions are affected by CVE-2020-8288?
It affects 1 product.
Products include Rocket.chat Rocket.chat.
How do I fix CVE-2020-8288?
No fix has been published for CVE-2020-8288 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-2020-8288 being exploited?
There is no known exploitation of CVE-2020-8288 in the wild and no public exploit code.
Other vulnerabilities in Rocket.chat Rocket.chat
Sources
Also known as GHSA-q8vp-9pjp-8vc7.