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CVE-2025-53926— Emlog has Stored Cross-site Scripting vulnerability due to error

Quick assessment

Affected
emlog emlog
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.

emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 emlog pro-2.5.17及之前版本存在跨站脚本漏洞，该漏洞源于comment和comname参数清理不足，可能导致远程攻击者注入反射型跨站脚本。

CVSS 6.1 · Medium EPSS 0.32% · P23
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I. Basic Information for CVE-2025-53926

Vulnerability Information
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Vulnerability Title
Emlog has Stored Cross-site Scripting vulnerability due to error
Source: CVE Program / CVE List V5
Vulnerability Description
Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including pro-2.5.17 allows remote attackers to inject arbitrary web script or HTML via the comment and comname parameters. Reflected XSS requires the victim to send POST requests, therefore the victim must be persuaded into clicking into sent URL. As of time of publication, no known patched versions exist.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
emlog 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 emlog pro-2.5.17及之前版本存在跨站脚本漏洞，该漏洞源于comment和comname参数清理不足，可能导致远程攻击者注入反射型跨站脚本。
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
emlog emlog <= pro-2.5.17 -

II. Public POCs for CVE-2025-53926

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III. Intelligence Information for CVE-2025-53926

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Vendor Advisories for CVE-2025-53926 (1)

Same Patch Batch · emlog · 2025-07-16 · 4 CVEs total

CVE-2025-53923 8.2 HIGH Emlog vulnerable to reflected Cross-site Scripting in admin panel
CVE-2025-53924 6.9 MEDIUM Emlog vulnerable to stored Cross-site Scripting in links functionality
CVE-2025-53925 5.4 MEDIUM Emlog has Stored Cross-site Scripting vulnerability in file upload functionality

IV. Related Vulnerabilities

Same product: emlog
Same vendor: emlog
Same weakness: CWE-79

V. Comments for CVE-2025-53926

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