Unrated severityNVD Advisory· Published Apr 25, 2025· Updated Feb 3, 2026
Halo Vulnerable to Stored XSS and RCE via File Upload Bypass
CVE-2024-56156
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/halo-dev/halo/commit/24f8d7b57127e2607ec05adb7c912b3decddeb99mitrex_refsource_MISC
- github.com/halo-dev/halo/pull/7149mitrex_refsource_MISC
- github.com/halo-dev/halo/security/advisories/GHSA-99mc-ch53-pqh9mitrex_refsource_CONFIRM
News mentions
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