CVE-2018-8924 Cross-site scripting in Office
Remote authenticated users can inject arbitrary web script or HTML via malicious file names in Synology Office, potentially leading to session hijacking or code execution.
- 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-2018-8924?
CVE-2018-8924 is a medium-severity cross-site scripting vulnerability in Synology Office, published on 5 Jun 2018. 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 Title Tootip in Synology Office before 3.0.3-2143 allows remote authenticated users to inject arbitrary web script or HTML via the malicious file name.
Weakness: CWE-79
Which versions are affected by CVE-2018-8924?
It affects 1 product.
Products include Synology Office.
How do I fix CVE-2018-8924?
No fix has been published for CVE-2018-8924 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-2018-8924 being exploited?
There is no known exploitation of CVE-2018-8924 in the wild and no public exploit code.
Other vulnerabilities in Synology Office
Sources
Also known as GHSA-4mfv-jcx7-pg36.