CVE-2022-4898 Cross-site scripting in Octopus Server
Attackers can inject scripts into the support link in the help sidebar, potentially executing code or hijacking user sessions.
- 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-2022-4898?
CVE-2022-4898 is a medium-severity cross-site scripting vulnerability in Octopus Octopus Server, published on 31 Jan 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
In affected versions of Octopus Server the help sidebar can be customized to include a Cross-Site Scripting payload in the support link. This was initially resolved in advisory 2022-07 however it was identified that the fix could be bypassed in certain circumstances. A different approach was taken to prevent the possibility of the support link being susceptible to XSS
Weakness: CWE-79
Which versions are affected by CVE-2022-4898?
It affects 1 product.
Products include Octopus Octopus Server.
How do I fix CVE-2022-4898?
No fix has been published for CVE-2022-4898 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-2022-4898 being exploited?
There is no known exploitation of CVE-2022-4898 in the wild and no public exploit code.
Other vulnerabilities in Octopus Octopus Server
Sources
Also known as GHSA-4gvq-c37w-77wr.