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CVE-2025-47786— Emlog vulnerable to Stored Cross-site Scripting

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 2.5.13版本存在跨站脚本漏洞，该漏洞源于/admin/comment.php中的perpage_num参数未验证，可能导致存储型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Trivial EPSS 0.26% · P16
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I. Basic Information for CVE-2025-47786

Vulnerability Information
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Vulnerability Title
Emlog vulnerable to Stored Cross-site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
Emlog is an open source website building system. Version 2.5.13 has a stored cross-site scripting vulnerability that allows any registered user to construct malicious JavaScript, inducing all website users to click. In `/admin/comment.php`, the parameter `perpage_num` is not validated and is directly stored in the `admin_commend_perpage_num` field of the `emlog_options` table in the database. Moreover, the output is not filtered, resulting in the direct output of malicious code. As of time of publication, it is unclear if a patch exists.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/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
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 2.5.13版本存在跨站脚本漏洞，该漏洞源于/admin/comment.php中的perpage_num参数未验证，可能导致存储型跨站脚本攻击。
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
emlog emlog = 2.5.13 -

II. Public POCs for CVE-2025-47786

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III. Intelligence Information for CVE-2025-47786

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Same Patch Batch · emlog · 2025-05-15 · 4 CVEs total

CVE-2025-47785 8.3 HIGH EMLOG SQL Injection Vulnerability
CVE-2025-47784 Emlog vulnerable to Deserialization of Untrusted Data
CVE-2025-47787 Emlog Pro Contains a File Upload Vulnerability

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-47786

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