CVE-2021-28803 Stored XSS Vulnerability in Q'center
Attackers can inject malicious scripts into Q'center, potentially executing code or hijacking user accounts.
- 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-2021-28803?
CVE-2021-28803 is a medium-severity cross-site scripting vulnerability in QNAP Systems Inc. Q'center, published on 1 Jul 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
This issue affects: QNAP Systems Inc. Q'center versions prior to 1.11.1004.
Which versions are affected by CVE-2021-28803?
It affects 1 product.
Products include Qnap Q\'center.
How do I fix CVE-2021-28803?
No fix has been published for CVE-2021-28803 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-2021-28803 being exploited?
There is no known exploitation of CVE-2021-28803 in the wild and no public exploit code.
Other vulnerabilities in QNAP Systems Inc. Q'center
- CVE-2018-0706 Information disclosure in Q'center Virtual Appliance
- CVE-2018-0708 Command injection in Q'center Virtual Appliance
- CVE-2018-0709 Command injection in Q'center Virtual Appliance
- CVE-2018-0710 Command injection in Q'center Virtual Appliance
- CVE-2021-28807 Post-Authentication Reflected XSS Vulnerability in Q'center
Sources
Also known as GHSA-5g7h-5qvh-cr9r.