CVE-2026-100881 zhistaredu StarTraining application.yml cross site scripting
Attackers can exploit a cross-site scripting vulnerability in the StarTraining application configuration to execute malicious scripts.
- 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-2026-100881?
CVE-2026-100881 is a low-severity cross-site scripting vulnerability in zhistaredu StarTraining, published on 27 Sep 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 security vulnerability has been detected in zhistaredu StarTraining up to 3.8.1. This issue affects some unknown processing of the file application.yml. Such manipulation of the argument xss.enabled leads to cross site scripting. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. Not independently exploitable: a defense-in-depth absence that amplifies CVE-2026-100880. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-100881?
How do I fix CVE-2026-100881?
No fix has been published for CVE-2026-100881 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-2026-100881 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100881 exists.
Sources
Also known as GHSA-ggjh-h4r9-78xg.