What is CVE-2025-59035?

CVE-2025-59035 is a medium-severity vulnerability in Cern Indico, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-09-10.

How severe is CVE-2025-59035?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Cern Indico

CVE-2025-59035

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, there is a Cross-Site-Scripting vulnerability when rendering LaTeX math code in contribution or abstra…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Cern Indico
Indico — versions < 3.3.8

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2025-59035?: CVE-2025-59035 is a medium-severity vulnerability in Cern Indico, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-09-10.
How severe is CVE-2025-59035?: Medium severity. CVSS v3 base score is 4.6 out of 10.