Vulnerability · Published Jun 26, 2025 · Assigned by drupal
CVE-2025-6674CKEditor5 Youtube - Moderately critical - Cross-site Scripting - SA-CONTRIB-2025-081
Medium 6.1
In plain English
A medium-severity cross-site scripting in CKEditor5 Youtube 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 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.2%top 87.6% 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 CKEditor5 Youtube allows Cross-Site Scripting (XSS).This issue affects CKEditor5 Youtube: from 0.0.0 before 1.0.3.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/ckeditor5_youtube | 1.0.4 | DRUPAL-CONTRIB-2025-081 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | CKEditor5 Youtube | 0.0.0 – before 1.0.4 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N