CVE-2025-57543 Cross-site scripting in n/a
Attackers can inject arbitrary HTML into NetBox comment fields, leading to XSS attacks against other users viewing the web UI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-57543?
CVE-2025-57543 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross Site scripting vulnerability (XSS) in NetBox 4.3.5 "comment" field on object forms. An attacker can inject arbitrary HTML, which will be rendered in the web UI when viewed by other users. This could potentially lead to user interface redress attacks or be escalated to XSS in certain contexts.
Weakness: CWE-79
Which versions are affected by CVE-2025-57543?
It affects 1 product.
Products include Netbox Netbox.
How do I fix CVE-2025-57543?
No fix has been published for CVE-2025-57543 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-2025-57543 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-57543 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qxww-c4qm-jpg8.