VULNERABILITY INTELLIGENCE

CVE-2024-56156

CVSS score9 CRITICAL
EPSS probability0.83%
CISA KEVNot currently listed
Published2025-04-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Description

Halo is an open source website building tool. Prior to version 2.20.13, a vulnerability in Halo allows attackers to bypass file type validation controls. This bypass enables the upload of malicious files including executables and HTML files, which can lead to stored cross-site scripting attacks and potential remote code execution under certain circumstances. This issue has been patched in version 2.20.13.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references