CVE-2026-90489 Xuxueli xxl-job insert cross site scripting
Remote attackers can inject malicious scripts via the job name or author fields in xxl-job, potentially compromising user sessions or executing code.
- 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-2026-90489?
CVE-2026-90489 is a medium-severity cross-site scripting vulnerability in Xuxueli xxl-job, published on 12 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 vulnerability was identified in Xuxueli xxl-job up to 3.5.0. This vulnerability affects unknown code of the file /jobinfo/insert. Such manipulation of the argument name/author leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-90489?
How do I fix CVE-2026-90489?
No fix has been published for CVE-2026-90489 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-2026-90489 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90489 exists.
Sources
Also known as GHSA-hrg9-rfpj-46w2.