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CVE-2022-50906— e107 CMS v3.2.1 - Admin Upload Restriction Bypass + Stored XSS

Quick assessment

Affected
e107 e107 CMS
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.

e107是E107团队的一套开源、免费且基于PHP和MySQL的内容管理系统（CMS）。该系统支持多种插件和外观主题，可作为个人博客、讨论社区、档案资料库等。 e107 3.2.1版本存在跨站脚本漏洞，该漏洞源于上传限制绕过，可能导致管理员上传恶意SVG文件并执行跨站脚本攻击。

CVSS 4.8 · Medium EPSS 0.42% · P34
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I. Basic Information for CVE-2022-50906

Vulnerability Information
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Vulnerability Title
e107 CMS v3.2.1 - Admin Upload Restriction Bypass + Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
e107 CMS 3.2.1 contains an upload restriction bypass vulnerability that allows authenticated administrators to upload malicious SVG files through the media manager. Attackers with admin privileges can exploit this vulnerability to upload SVG files with embedded cross-site scripting (XSS) payloads that can execute arbitrary scripts when viewed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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
e107 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
e107是E107团队的一套开源、免费且基于PHP和MySQL的内容管理系统（CMS）。该系统支持多种插件和外观主题，可作为个人博客、讨论社区、档案资料库等。 e107 3.2.1版本存在跨站脚本漏洞，该漏洞源于上传限制绕过，可能导致管理员上传恶意SVG文件并执行跨站脚本攻击。
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
e107 e107 CMS 3.2.1 -

II. Public POCs for CVE-2022-50906

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III. Intelligence Information for CVE-2022-50906

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Vendor Advisories for CVE-2022-50906 (1)

Exploits & Public PoCs for CVE-2022-50906 (1)

Same Patch Batch · e107 · 2026-01-13 · 5 CVEs total

CVE-2022-50905 9.8 CRITICAL e107 CMS v3.2.1 - Reflected XSS via Comment Flow
CVE-2022-50916 7.2 HIGH e107 CMS v3.2.1 - Upload restriction bypass (Authenticated [Admin])+ Server file override
CVE-2022-50907 7.2 HIGH e107 CMS v3.2.1 - Admin Upload Restriction Bypass + RCE
CVE-2022-50939 7.2 HIGH e107 CMS v3.2.1 - Upload Restriction Bypass with Path Traversal File Override

IV. Related Vulnerabilities

Same product: e107 CMS
Same vendor: e107
Same weakness: CWE-79

V. Comments for CVE-2022-50906

Anonymous User
2026-01-15 06:08:47

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