CVE-2025-47786

LOW
2025-05-15 [email protected]
1.9
CVSS 4.0

CVSS Vector

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
A
Scope
X

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:42 vuln.today
PoC Detected
Jun 12, 2025 - 16:39 vuln.today
Public exploit code
CVE Published
May 15, 2025 - 20:16 nvd
LOW 1.9

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.

Analysis

Emlog is an open source website building system. Rated low severity (CVSS 1.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Emlog. Version information: Version 2.5.13.

Affected Products

Emlog.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +10
POC: +20

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CVE-2025-47786 vulnerability details – vuln.today

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