CVE-2019-11827 Cross-site scripting in Note Station
Remote attackers can inject arbitrary web script or HTML via the object_id parameter in Synology Note Station, potentially leading to session hijacking or malicious actions.
- 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-2019-11827?
CVE-2019-11827 is a medium-severity cross-site scripting vulnerability in Synology Note Station, published on 30 Jun 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in SYNO.NoteStation.Shard in Synology Note Station before 2.5.3-0863 allows remote attackers to inject arbitrary web script or HTML via the object_id parameter.
Weakness: CWE-79
Which versions are affected by CVE-2019-11827?
It affects 1 product.
Products include Synology Note Station.
How do I fix CVE-2019-11827?
No fix has been published for CVE-2019-11827 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-2019-11827 being exploited?
There is no known exploitation of CVE-2019-11827 in the wild and no public exploit code.
Other vulnerabilities in Synology Note Station
Sources
Also known as GHSA-mc67-4f82-v68g.