Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Webful Creations RepairBuddy computer-repair-shop allows Stored XSS.This issue affects RepairBuddy: from n/a through 4.1225.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.5",
  "pubDate": "2026-10-05T19:17:12.047Z",
  "pubdate": "2026-10-05T19:17:12.047Z",
  "executiveSummary": "Webful Creations RepairBuddy (versions 4.1225 and prior) contains an 'Improper Neutralization of Input During Web Page Generation' vulnerability, commonly known as Stored Cross-site Scripting (XSS).\nThis vulnerability allows an attacker to inject and persist malicious scripts within the application's database. When a victim, such as an administrator or another user, accesses the affected page, the malicious script executes within the context of the user's session.\nThe risk implication is significant, as successful exploitation enables an attacker to compromise user accounts, hijack sessions, steal sensitive session tokens, or perform unauthorized actions on behalf of the authenticated user.\nThe vulnerability necessitates that an attacker can submit input that is subsequently stored and rendered without adequate sanitization or output encoding. While specific authentication requirements depend on the input field's accessibility, this class of vulnerability generally empowers unprivileged or privileged attackers to target higher-privileged users, such as system administrators, by tricking them into viewing the malicious content.\nThe inability to properly neutralize input in RepairBuddy poses a critical security threat, as it breaks the fundamental trust model between the user, the browser, and the web application.",
  "technicalDetails": "The vulnerability originates from the application's failure to perform adequate input validation and contextual output encoding on user-supplied data before rendering it in the browser.\nThe root cause is the improper handling of user-controllable input within the RepairBuddy software, which allows malicious JavaScript payloads to be stored directly in the backend database.\nThe attack flow begins when an attacker identifies an input vector, such as a field in a repair ticket, customer profile, or comment section, that is not properly sanitized. The attacker injects a malicious payload, typically comprising a <script> tag or other HTML event handler, into the target field. The application accepts this input and stores it persistently in the database.\nUpon subsequent retrieval of the data, the application injects this malicious payload into the HTTP response body returned to the victim's browser. Because the application fails to perform proper output encoding (e.g., converting special characters into HTML entities), the browser interprets the injected payload as executable code rather than plain text.\nThe execution context of the script is the victim's session, which grants the attacker access to all data accessible to the victim through their browser, including document.cookie for session hijacking, local storage, and the ability to perform CSRF-style attacks within the application.\nThis type of Stored XSS is particularly dangerous because it does not require the victim to click a malicious link; it occurs automatically whenever the victim accesses the page containing the stored payload.\nGiven that RepairBuddy is intended for computer-repair-shop management, an attacker could potentially target a system administrator's account. Once the administrator views the malicious input, the attacker could force the admin to perform actions like creating new user accounts, modifying system settings, or exfiltrating sensitive client repair data.\nThe vulnerability affects all versions of RepairBuddy from the inception of the product through version 4.1225. Because the flaw lies in the application's core input-to-output handling mechanism, any input field that fails to implement strict allow-listing or context-aware escaping is potentially vulnerable to this exploitation vector."
}