CVE-2021-28290 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in the IdentityServer4 Admin interface via unencoded input, potentially compromising user sessions.
- 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-2021-28290?
CVE-2021-28290 is a medium-severity cross-site scripting vulnerability in n/a, published on 11 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
A cross-site scripting (XSS) vulnerability in Skoruba IdentityServer4.Admin before 2.0.0 via unencoded value passed to the data-secret-value parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-28290?
It affects 1 product.
Products include Identityserver4.admin Project Identityserver4.admin.
How do I fix CVE-2021-28290?
No fix has been published for CVE-2021-28290 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-2021-28290 being exploited?
There is no known exploitation of CVE-2021-28290 in the wild and no public exploit code.
Sources
Also known as GHSA-685p-75ch-jq74.