EUVD-2025-33214
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
4Description
Emlog is an open source website building system. A stored Cross-Site Scripting (XSS) vulnerability exists in the "Twitter"feature of EMLOG Pro 2.5.21 and below. An authenticated user with privileges to post a "Twitter" message can inject arbitrary JavaScript code. The malicious script is stored on the server and gets executed in the browser of any user, including administrators, when they click on the malicious post to view it. This issue does not currently have a fix.
Analysis
Emlog is an open source website building system. A stored Cross-Site Scripting (XSS) vulnerability exists in the "Twitter"feature of EMLOG Pro 2.5.21 and below. An authenticated user with privileges to post a "Twitter" message can inject arbitrary JavaScript code. The malicious script is stored on the server and gets executed in the browser of any user, including administrators, when they click on the malicious post to view it. This issue does not currently have a fix.
Technical Context
Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.
Affected Products
Affected products: Emlog Emlog
Remediation
Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.
Priority Score
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External POC / Exploit Code
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