RCE in Xuxueli Xxl-Sso

CVE-2025-6700

A vulnerability classified as problematic was found in Xuxueli xxl-sso 1.1.0. This vulnerability affects unknown code of the file /xxl-sso-server/login. The manipulation of the argument errorMsg leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (31.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-6700?
CVE-2025-6700 is a medium-severity vulnerability in Xuxueli Xxl-Sso, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2025-06-26.
How severe is CVE-2025-6700?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-6700 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.