CVE-2016-3144

Cross-site scripting (XSS) vulnerability in the Block Class module 7.x-2.x before 7.x-2.2 for...

5.4 Medium

Cross-site scripting (XSS) vulnerability in the Block Class module 7.x-2.x before 7.x-2.2 for Drupal allows remote authenticated users with the "Administer block classes" permission to inject arbitrary web script or HTML via a class name.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.12%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 5.4

Record: CVE-2016-3144
CVSS 3.0: 5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-3144
Updated: 2026-11-02

EUVDEUVD-2016-4196 No score

Record: EUVD-2016-4196
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fp3q-mvf3-ggq3 5.4

Cross-site scripting (XSS) vulnerability in the Block Class module 7.x-2.x before 7.x-2.2 for...

Record: GHSA-fp3q-mvf3-ggq3
CVSS 3.0: 5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-3144 is a medium vulnerability (CVSS 5.4) in Fourkitchens Block Class, published April 15, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.