Vulnerability · Published May 19, 2026 · Assigned by drupal
CVE-2026-8493Colorbox Inline - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-036
Medium 5.4
In plain English
A medium-severity cross-site scripting in Colorbox Inline from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 92.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/colorbox_inline | 2.1.1 | DRUPAL-CONTRIB-2026-036 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Colorbox Inline | 0.0.0 – before 2.1.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N