CVE-2017-15892 Cross-site scripting in Chat
Remote authenticated users can inject arbitrary web script or HTML into Synology Chat via Slash Command Creator parameters.
- 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-2017-15892?
CVE-2017-15892 is a medium-severity cross-site scripting vulnerability in Synology Chat, published on 28 Dec 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Multiple cross-site scripting (XSS) vulnerabilities in Slash Command Creator in Synology Chat before 2.0.0-1124 allow remote authenticated users to inject arbitrary web script or HTML via (1) COMMAND, (2) COMMANDS INSTRUCTION, or (3) DESCRIPTION parameter.
Weakness: CWE-79
Which versions are affected by CVE-2017-15892?
It affects 1 product.
Products include Synology Chat.
How do I fix CVE-2017-15892?
No fix has been published for CVE-2017-15892 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-2017-15892 being exploited?
There is no known exploitation of CVE-2017-15892 in the wild and no public exploit code.
Other vulnerabilities in Synology Chat
Sources
Also known as GHSA-f262-299x-rch2.