CVE-2026-2145 cym1102 nginxWebUI Web Management check cross site scripting
Remote attackers can inject malicious scripts via the nginxDir argument in the nginxWebUI management interface, potentially compromising user sessions.
- 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-2026-2145?
CVE-2026-2145 is a medium-severity cross-site scripting vulnerability in cym1102 nginxWebUI, published on 8 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was identified in cym1102 nginxWebUI up to 4.3.7. The impacted element is an unknown function of the file /adminPage/conf/check of the component Web Management Interface. Such manipulation of the argument nginxDir leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-2145?
It affects 1 product.
Products include Cym1102 Nginxwebui.
How do I fix CVE-2026-2145?
No fix has been published for CVE-2026-2145 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-2026-2145 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2145 exists.
Other vulnerabilities in cym1102 nginxWebUI
- CVE-2024-3738 cym1102 nginxWebUI saveCmd handlePath certificate validation
- CVE-2024-3737 cym1102 nginxWebUI addOver findCountByQuery path traversal
- CVE-2024-3739 cym1102 nginxWebUI upload os command injection
- CVE-2024-3740 cym1102 nginxWebUI reload exec deserialization
- CVE-2024-3736 cym1102 nginxWebUI upload unrestricted upload
Sources
Also known as GHSA-59pw-crw2-wh7v.