What is CVE-2025-13980?

CVE-2025-13980 is a medium-severity vulnerability in Cksource Ckeditor 5 Premium Features, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.3/10. Published 2026-01-28.

How severe is CVE-2025-13980?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cksource Ckeditor 5 Premium Features

CVE-2025-13980

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CKEditor 5 Premium Features allows Functionality Bypass.This issue affects CKEditor 5 Premium Features: from 0.0.0 before 1.2.10, from 1.3.0 before 1.3.6, from 1.4.0 before 1.4.3, from 1.5.0 before 1.5.1, from 1.6.0 before 1.6.4.

EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Cksource Ckeditor_5_premium_features — versions 1.5.0
Drupal Ckeditor 5 Premium Features — versions 0.0.0, 1.3.0, 1.4.0

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

mlhess@drupal.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-13980?: CVE-2025-13980 is a medium-severity vulnerability in Cksource Ckeditor 5 Premium Features, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.3/10. Published 2026-01-28.
How severe is CVE-2025-13980?: Medium severity. CVSS v3 base score is 5.3 out of 10.