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CVE-2024-56156— Halo Vulnerable to Stored XSS and RCE via File Upload Bypass

Quick assessment

Affected
halo-dev halo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Halo是Halo开源的一个强大易用的开源建站工具。 Halo 2.20.13之前版本存在安全漏洞，该漏洞源于文件类型验证绕过，可能导致存储型跨站脚本攻击或远程代码执行。

AI Predicted 9.1 Difficulty: Easy EPSS 0.81% · P56
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I. Basic Information for CVE-2024-56156

Vulnerability Information
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Vulnerability Title
Halo Vulnerable to Stored XSS and RCE via File Upload Bypass
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Halo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Halo是Halo开源的一个强大易用的开源建站工具。 Halo 2.20.13之前版本存在安全漏洞，该漏洞源于文件类型验证绕过，可能导致存储型跨站脚本攻击或远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
halo-dev halo < 2.20.13 -

II. Public POCs for CVE-2024-56156

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III. Intelligence Information for CVE-2024-56156

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Patches & Fixes for CVE-2024-56156 (1)

Vendor Advisories for CVE-2024-56156 (1)

IV. Related Vulnerabilities

Same product: halo
Same vendor: halo-dev
Same weakness: CWE-79

V. Comments for CVE-2024-56156

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