What is CVE-2026-8493?

CVE-2026-8493 is a medium-severity vulnerability in Colorbox_inline_project Colorbox_inline, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-19.

How severe is CVE-2026-8493?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Colorbox_inline_project Colorbox_inline

CVE-2026-8493

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Colorbox Inline allows Cross-Site Scripting (XSS). This issue affects Colorbox Inline: from 0.0.0 before 2.1.1.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Colorbox_inline_project Colorbox_inline
Drupal Colorbox Inline — versions 0.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

mlhess@drupal.org (Third Party Advisory)

Frequently asked questions

What is CVE-2026-8493?: CVE-2026-8493 is a medium-severity vulnerability in Colorbox_inline_project Colorbox_inline, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-19.
How severe is CVE-2026-8493?: Medium severity. CVSS v3 base score is 5.4 out of 10.