Cross-Site Scripting Vulnerability in Xuxueli XXL-Job by Xuxueli
CVE-2026-90489

5.1MEDIUM

Key Information:

Vendor

Xuxueli

Status
Xxl-job
Vendor
CVE Published:
12 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90489?

A cross-site scripting vulnerability affects the Xuxueli XXL-Job application versions up to 3.5.0. The vulnerability exists in the /jobinfo/insert file, where improper handling of the 'name' and 'author' parameters allows attackers to inject malicious scripts. This can be exploited remotely, risking the exposure of sensitive user data. Despite early disclosure to the vendor, no response was received, raising concerns over the availability of exploits in the wild. Immediate mitigation is recommended for users of the affected versions.

Affected Version(s)

xxl-job 3.0

xxl-job 3.1

xxl-job 3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90489 - Proof of Concept

References

https://vuldb.com/vuln/403077
vdb-entrytechnical-description
https://vuldb.com/vuln/403077/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90489
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

hhhha (VulDB User)
VulDB CNA Team
.