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CVE-2025-50047: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in webvitaly Sitekit

Medium
VulnerabilityCVE-2025-50047cvecve-2025-50047cwe-79
Published: Fri Jun 20 2025 (06/20/2025, 15:03:48 UTC)
Source: CVE Database V5
Vendor/Project: webvitaly
Product: Sitekit

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in webvitaly Sitekit allows Stored XSS. This issue affects Sitekit: from n/a through 1.9.

AI-Powered Analysis

AILast updated: 06/21/2025, 11:08:41 UTC

Technical Analysis

CVE-2025-50047 is a Stored Cross-Site Scripting (XSS) vulnerability classified under CWE-79, affecting the webvitaly Sitekit product up to version 1.9. This vulnerability arises due to improper neutralization of input during web page generation, allowing malicious actors to inject and store arbitrary scripts within the application. When other users access the affected pages, the malicious scripts execute in their browsers, potentially leading to session hijacking, credential theft, unauthorized actions on behalf of the user, or distribution of malware. The vulnerability requires low attack complexity (AC:L) but does require the attacker to have some level of privileges (PR:L) and user interaction (UI:R) for exploitation. The scope is changed (S:C), indicating that the vulnerability can affect resources beyond the initially vulnerable component. The CVSS v3.1 base score is 6.5, categorized as medium severity, reflecting a moderate risk level with impacts on confidentiality, integrity, and availability, albeit with some exploitation constraints. No known exploits are currently reported in the wild, and no official patches have been linked yet. Stored XSS vulnerabilities are particularly dangerous because they persist on the server and affect multiple users, increasing the potential attack surface and impact. Sitekit is a web-based product, and such vulnerabilities can be leveraged to compromise user sessions or escalate privileges within the application environment.

Potential Impact

For European organizations using webvitaly Sitekit, this vulnerability poses a significant risk to web application security, user data confidentiality, and operational integrity. Exploitation could lead to unauthorized access to sensitive information, including user credentials and personal data, which is particularly critical under the GDPR regulatory framework in Europe. The integrity of business processes relying on Sitekit could be compromised if attackers inject malicious scripts that alter application behavior or perform unauthorized actions. Availability could also be affected if injected scripts disrupt normal user interactions or trigger denial-of-service conditions indirectly. Organizations in sectors such as finance, healthcare, government, and critical infrastructure that rely on Sitekit for web services are at heightened risk due to the potential for targeted attacks aiming to exploit stored XSS for broader compromise or espionage. Additionally, reputational damage and regulatory penalties could result from data breaches stemming from this vulnerability. The requirement for some privilege and user interaction may limit mass exploitation but does not eliminate risk, especially in environments with many users or where social engineering can be leveraged.

Mitigation Recommendations

1. Immediate mitigation should include implementing strict input validation and output encoding on all user-supplied data within Sitekit to neutralize malicious scripts before storage and rendering. 2. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers accessing the affected application. 3. Conduct a thorough code review and security audit of Sitekit’s input handling and templating mechanisms to identify and remediate all instances of improper input neutralization. 4. Restrict user privileges to the minimum necessary, reducing the likelihood that attackers can inject malicious content. 5. Educate users about the risks of interacting with untrusted content and implement multi-factor authentication to mitigate session hijacking risks. 6. Monitor web application logs for unusual input patterns or script injections indicative of attempted exploitation. 7. Since no official patch is currently available, consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block XSS payloads targeting Sitekit. 8. Plan for rapid deployment of patches once released by the vendor and maintain an incident response plan tailored to web application attacks.

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Technical Details

Data Version
5.1
Assigner Short Name
Patchstack
Date Reserved
2025-06-11T16:08:50.967Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 68568e86aded773421b5ab29

Added to database: 6/21/2025, 10:50:46 AM

Last enriched: 6/21/2025, 11:08:41 AM

Last updated: 8/16/2025, 6:32:00 PM

Views: 14

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