ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-6367

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003

Published Apr 15, 2026 · catalog updated Jul 24, 2026 · Drupal core - Moderately

Check if you run it

No confirmed exploitation is on record for CVE-2026-6367. EPSS is 0.25%. Act only if a listed version of Drupal core - Moderately is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Drupal core - Moderately).
  • No version range is stored. A customer cannot check an installed version against 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
0.25%
Remediation
Advisory link
Affected products
cpe drupal/drupal

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 11.3.0 before 11.3.7.

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.

  • cpe drupal/drupalversion unspecified

How to fix CVE-2026-6367

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-2026-6367. EPSS is 0.25%. Act only if a listed version of Drupal core - Moderately is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Drupal security

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. Apr 15, 2026 · Drupal Security

    Detected

    Project: Drupal core Project machine name: drupal <div cl

  2. Jul 24, 2026 · NIST NVD

    Updated

    Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 11.3.0 before 11.3.7.

Sources

  • CVE.orgVulnerability recordCVE-2026-6367

    Official CVE identifier

    cve.org
  • Drupal SecurityVendor advisoryCVE-2026-6367

    Project: Drupal core Project machine name: drupal <div cl

    drupal.org
  • FIRST EPSSExploitation probabilityCVE-2026-6367

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-6367

    Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 11.3.0 before 11.3.7.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.