CVE-2026-7175 in Entradium
Summary
by MITRE • 10/01/2026
CVE-2026-7175: the Business Name parameter in the /promoters/edit endpoint of the My Profile section of a promoter’s profile, which allows the injection of JavaScript code that will execute on the promoter’s public page;
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Analysis
by VulDB Data Team • 10/01/2026
The vulnerability identified as CVE-2026-7175 represents a critical stored cross-site scripting flaw located within the user management subsystem of a web application. Specifically, it affects the Business Name parameter in the /promoters/edit endpoint associated with the My Profile section for promoters. This architectural component is designed to allow users to update their professional details, which are subsequently rendered on public-facing pages visible to other site visitors and potential clients. The core technical flaw stems from insufficient input validation and inadequate output encoding mechanisms when processing user-supplied data destined for HTML rendering contexts. Unlike reflected XSS where malicious payloads are executed immediately via a crafted URL, this vulnerability allows an attacker to persistently inject JavaScript code into the database through the edit profile interface. Once stored, this malicious script is automatically retrieved and executed in the browser of any victim who views the promoter's public profile page, creating a persistent threat vector that does not require social engineering tricks involving direct links.
From a technical perspective, the exploitation relies on the application’s failure to sanitize special characters such as angle brackets, quotes, and ampersands before storing them in the backend database or failing to encode them properly during server-side rendering. When an attacker submits a payload containing executable JavaScript within the Business Name field, the system accepts it without triggering security filters. Subsequently, when the public profile page is generated by the web server, the raw malicious script is embedded directly into the HTML structure of the response body. Modern browsers interpret this content as valid code and execute it in the context of the application’s domain. This bypasses same-origin policy protections because the attack originates from a trusted source within the application itself, granting the injected script full access to cookies, session tokens, local storage, and other sensitive data associated with that domain.
The operational impact of this vulnerability is severe due to its persistent nature and broad exposure. Since the payload resides on the promoter’s public profile, every visitor who loads the page becomes a potential victim without any additional interaction required beyond viewing the content. This significantly increases the attack surface compared to reflected vulnerabilities. Successful exploitation can lead to complete account takeover if session cookies are stolen via document.cookie access. Attackers can also perform actions on behalf of the user, such as modifying profile settings, initiating financial transactions, or sending spam messages through integrated communication tools. Furthermore, in enterprise environments where promoters may have elevated privileges or access to sensitive business data, this vulnerability could serve as an initial foothold for more advanced attacks like session hijacking or credential harvesting from connected third-party services that trust the application’s authentication state.
This flaw aligns with CWE-79: Improper Neutralization of Input During Web Page Generation commonly known as Cross-site Scripting (XSS). More specifically, it falls under Stored XSS where malicious scripts are permanently stored on target servers and delivered to victims when they request legitimate data. In terms of the MITRE ATT&CK framework, this vulnerability facilitates techniques related to Collection via Browser Redirect or Credential Access through Stealing Web Session Cookies. The persistence aspect maps closely to Persistence mechanisms where attackers maintain access by embedding code in frequently accessed resources. Defenders should recognize that stored XSS often leads to higher severity ratings due to its automated delivery mechanism and potential for widespread compromise across multiple user sessions simultaneously.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. The primary fix involves implementing strict input validation on the server side, ensuring that only expected alphanumeric characters and safe punctuation are accepted in the Business Name field using allowlists rather than blocklists to prevent bypasses through encoding tricks or alternative character sets. Additionally, output encoding is critical; all user-supplied data rendered into HTML contexts must be properly escaped according to OWASP guidelines, converting special characters like < > & " ' into their corresponding HTML entities before being sent to the client browser. Implementing a Content Security Policy (CSP) with strict directives can also mitigate impact by restricting script execution sources and preventing inline scripts from running even if injected. Regular security testing including automated static analysis and dynamic penetration tests focusing on input handling in profile management endpoints is essential to detect similar flaws early in the development lifecycle before they reach production environments.