RCE in Xuxueli Xxl-Job
CVE-2026-90489
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Xuxueli Xxl-Job — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/403077 (technical-description, vdb-entry)
- vuldb.com/vuln/403077/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90489 (third-party-advisory)
- vuldb.com/submit/892506 (third-party-advisory)
- github.com/hhhh333/CVE/blob/main/xxl-job-xss.md (exploit)
Frequently asked questions
- What is CVE-2026-90489?
- CVE-2026-90489 is a low-severity vulnerability in Xuxueli Xxl-Job, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-13.
- How severe is CVE-2026-90489?
- Low severity. CVSS v3 base score is 3.5 out of 10.