Vulnerability · Published Sep 12, 2026 · Assigned by VulDB

CVE-2026-90489Xuxueli xxl-job insert cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in xxl-job from Xuxueli. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.3%top 73.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Xuxueli	xxl-job	3.03.13.23.33.43.5.0

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-403077 | Xuxueli xxl-job insert cross site scripting vdb-entry, technical-description
VDB-403077 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-90489 | CVE Analysis and Report third-party-advisory
Submit #892506 | https://github.com/xuxueli/xxl-job/ xxl-job-admin 3.5.0 Stored Cross-Site Scripting Attack third-party-advisory
https://github.com/hhhh333/CVE/blob/main/xxl-job-xss.md exploit