XSS in Haulmont Cuba Platform

CVE-2025-32951

Jmix is a set of libraries and tools to speed up Spring Boot data-centric application development. In versions 1.0.0 to 1.6.1 and 2.0.0 to 2.3.4, the input parameter, which consists of a file path and name, can be manipulated to return the Content-Type header with text/html if the name part ends with .html. This could allow malicious JavaScript code to be executed in the browser. For a successful attack, a malicious file needs to be uploaded beforehand. This issue has been patched in versions 1.6.2 and 2.4.0. A workaround is provided on the Jmix documentation website.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-32951?
CVE-2025-32951 is a medium-severity vulnerability in Haulmont Cuba Platform, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-04-22.
How severe is CVE-2025-32951?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2025-32951 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.