CVE-2021-25828 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in user browsers via crafted GET requests to the web interface, potentially leading to session hijacking or data theft.
- 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-2021-25828?
CVE-2021-25828 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Jun 2023. 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
Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.
Weakness: CWE-79
Which versions are affected by CVE-2021-25828?
It affects 1 product.
Products include Emby Emby.
How do I fix CVE-2021-25828?
No fix has been published for CVE-2021-25828 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-2021-25828 being exploited?
There is no known exploitation of CVE-2021-25828 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-25827 Auth bypass in n/a
- CVE-2020-26948 Server-side request forgery in n/a
- CVE-2025-64113 Emby Server allows attackers to gain administrative server access without preconditions
- CVE-2025-64325 Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard
- CVE-2022-36223 Cross-site scripting in n/a
Sources
Also known as GHSA-9pjf-87x2-r68m.