What is CVE-2025-3900?

CVE-2025-3900 is a medium-severity vulnerability in Colorbox_project Colorbox, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-04-23.

How severe is CVE-2025-3900?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Colorbox_project Colorbox

CVE-2025-3900

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Colorbox allows Cross-Site Scripting (XSS).This issue affects Colorbox: from 0.0.0 before 2.1.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Colorbox_project Colorbox
Drupal Colorbox — versions 0.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

mlhess@drupal.org (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-3900?: CVE-2025-3900 is a medium-severity vulnerability in Colorbox_project Colorbox, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-04-23.
How severe is CVE-2025-3900?: Medium severity. CVSS v3 base score is 6.1 out of 10.