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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

FormCms v0.5.5 contains a stored cross-site scripting (XSS) vulnerability in the avatar upload feature. Authenticated users can upload .html files containing malicious JavaScript, which are accessible via a public URL. When a privileged user accesses the file, the script executes in their browser context.

CVE-2025-56236 is a stored cross-site scripting (XSS) vulnerability identified in FormCms version 0.5.5, specifically within its avatar upload feature. The vulnerability arises because authenticated users can upload files with an .html extension containing malicious JavaScript code. These uploaded files are then accessible via a public URL, allowing the malicious script to execute in the browser context of any user who accesses the file. The critical risk is that when a privileged user, such as an administrator, views the malicious avatar, the embedded script runs with their browser privileges. This can lead to session hijacking, privilege escalation, or unauthorized actions performed on behalf of the privileged user. The vulnerability is classified under CWE-79, which covers improper neutralization of input during web page generation, leading to XSS. The CVSS v3.1 score is 6.1 (medium severity), with the vector indicating network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:N), user interaction required (UI:R), scope changed (S:C), and low impact on confidentiality and integrity (C:L/I:L), with no impact on availability (A:N). No known exploits are currently reported in the wild, and no patches have been linked yet. The vulnerability's exploitation requires an authenticated user to upload a malicious HTML file and a privileged user to access it, which means the attack vector involves social engineering or tricking privileged users into viewing the malicious content. The scope is significant because the vulnerability affects the web application's ability to properly sanitize uploaded content, allowing persistent XSS that can compromise administrative accounts and potentially the entire CMS environment.

Detailed information about CVE-2025-56236: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2025-56236: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-56236: n/a

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