CVE-2023-4203 Stored Cross-Site Scripting
Authenticated users can inject malicious scripts via the ping tool in Advantech EKI-152x devices, potentially compromising other users.
- 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-2023-4203?
CVE-2023-4203 is a critical cross-site scripting vulnerability in Advantech EKI-1521, published on 8 Aug 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.
Weakness: CWE-79
Which versions are affected by CVE-2023-4203?
It affects 3 products.
Products include Advantech Eki-1521 Firmware, Advantech Eki-1522 Firmware, Advantech Eki-1524 Firmware.
How do I fix CVE-2023-4203?
No fix has been published for CVE-2023-4203 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-2023-4203 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4203 exists.
Other vulnerabilities in Advantech EKI-1521
Sources
Also known as GHSA-mfq6-hv3w-q46x.