What is CVE-2020-13669?

CVE-2020-13669 is a medium-severity vulnerability in Drupal Core, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-11.

How severe is CVE-2020-13669?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Drupal Core

CVE-2020-13669

Cross-site Scripting (XSS) vulnerability in ckeditor of Drupal Core allows attacker to inject XSS. This issue affects: Drupal Core 8.8.x versions prior to 8.8.10.; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001

Affected products

Drupal Core — versions 8.8.x, 8.9.x, 9.0.x
Drupal

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.drupal.org/sa-core-2020-010 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-13669?: CVE-2020-13669 is a medium-severity vulnerability in Drupal Core, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-11.
How severe is CVE-2020-13669?: Medium severity. CVSS v3 base score is 6.1 out of 10.