Vulnerabilities

Vulnerability · CVE-2025-6674

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal CKEditor5 Youtube allows Cross-Site Scripting (XSS).This issue affects

Published Jun 26, 2025 · catalog updated Jun 26, 2025 · Drupal CKEditor5 Youtube

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-6674. EPSS is 0.22%. Act only if a listed version of Drupal CKEditor5 Youtube is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Version ranges on file
Affected products
vendor Drupal CKEditor5 Youtube 0.0.0 <1.0.4

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Drupal CKEditor5 Youtube 0.0.0 <1.0.40.0.0 <1.0.4

How to fix CVE-2025-6674

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-6674. EPSS is 0.22%. Act only if a listed version of Drupal CKEditor5 Youtube is installed.

Which versions are affected?

Compare what you have installed with Drupal CKEditor5 Youtube 0.0.0 <1.0.4 0.0.0 <1.0.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 26, 2025 · EUVD

    Detected

    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.

  2. Jun 26, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-6674

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-6674

    30-day exploitation probability 0.22%

    first.org
  • EUVDVulnerability recordEUVD-2025-19186

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026