GHSA-m6q5-wv4x-fv6h · Severity: medium · Ecosystem: composer — Cross-site Scripting in Drupal Core
Access Bypass vulnerability in Drupal Core allows for an attacker to leverage the way that HTML is rendered for affected forms in order to exploit the vulnerability. 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.
Conclusion & alert: CVE-2020-13668 is rated Moderate Risk (41.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.67%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.22% | 0.67% | +0.45% |
| 2 | 2026-02-22 | 0.37% | 0.22% | -0.15% |
| 3 | 2026-01-15 | — | 0.37% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-m6q5-wv4x-fv6h · Severity: medium · Ecosystem: composer — Cross-site Scripting in Drupal Core
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2020-13668 medium priority: Ubuntu including 1 source packages (drupal7), 3 status rows across 3 suites (trusty, upstream, xenial): not-affected 2, needs-triage 1. | https://ubuntu.com/security/CVE-2020-13668 |
| URL | Tags |
|---|---|
| https://www.drupal.org/sa-core-2020-009 | Patch Vendor Advisory |