CVE-2021-38403 Delta Electronics DIALink
An authenticated attacker can inject JavaScript into the API maintenance parameter, potentially allowing remote code execution in Delta Electronics DIALink.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38403?
CVE-2021-38403 is a medium-severity cross-site scripting vulnerability in Delta Electronics DIALink, published on 3 Nov 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Delta Electronics DIALink versions 1.2.4.0 and prior is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter supplier of the API maintenance, which may allow an attacker to remotely execute code.
Weakness: CWE-79
Which versions are affected by CVE-2021-38403?
It affects 1 product.
Products include Deltaww Dialink.
How do I fix CVE-2021-38403?
No fix has been published for CVE-2021-38403 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-2021-38403 being exploited?
There is no known exploitation of CVE-2021-38403 in the wild and no public exploit code.
Other vulnerabilities in Delta Electronics DIALink
- CVE-2025-58321 DIALink - Directory Traversal Authentication Bypass Vulnerability
- CVE-2022-2660 Hardcoded credentials in Industrial Automation DIALink
- CVE-2021-38418 Delta Electronics DIALink
- CVE-2022-2969 ICSA-22-307-03 Delta Industrial Automation DIALink Path traversal
- CVE-2021-38416 Delta Electronics DIALink
Sources
Also known as GHSA-68cv-jxx8-7hx6.