Platform
php
Component
simple-laundry-system
Opgelost in
1.0.1
A cross-site scripting (XSS) vulnerability has been identified in Simple Laundry System version 1.0. This flaw resides within the Parameter Handler component, specifically the /delstaffinfo.php file. Attackers can exploit this vulnerability by manipulating the 'userid' argument, potentially leading to malicious script execution within a user's browser. A fix is available, and immediate action is advised.
Successful exploitation of CVE-2026-5255 allows an attacker to inject arbitrary JavaScript code into the Simple Laundry System application. This can lead to a variety of malicious outcomes, including session hijacking, defacement of the application's user interface, and theft of sensitive user data such as login credentials or personal information. The remote nature of the exploit means attackers can launch attacks from anywhere with network access to the vulnerable system. Given the public availability of the exploit, the risk of immediate exploitation is high.
CVE-2026-5255 is currently considered a high-risk vulnerability due to the public availability of an exploit. While an EPSS score is not yet assigned, the public exploit significantly increases the likelihood of active exploitation. The vulnerability was publicly disclosed on 2026-04-01. Monitor security advisories and threat intelligence feeds for any indications of ongoing campaigns targeting this vulnerability.
Organizations utilizing Simple Laundry System version 1.0, particularly those with publicly accessible instances, are at immediate risk. Shared hosting environments where multiple users share the same server instance are especially vulnerable, as an attacker exploiting this vulnerability could potentially compromise other users on the same server.
• php / web:
curl -I 'http://your-laundry-system.com/delstaffinfo.php?userid=<script>alert(1)</script>' | grep HTTP/1.1• generic web:
grep -i userid /var/log/apache2/access.logdisclosure
poc
Exploit Status
EPSS
0.03% (9% percentiel)
CISA SSVC
CVSS-vector
The primary mitigation for CVE-2026-5255 is to upgrade to a patched version of Simple Laundry System. If upgrading is not immediately feasible, implement temporary workarounds. These include deploying a Web Application Firewall (WAF) with rules to filter out malicious JavaScript payloads targeting the 'userid' parameter in /delstaffinfo.php. Input validation on the server-side, strictly limiting the allowed characters and length of the 'userid' parameter, is also crucial. Regularly review and update WAF rules to adapt to evolving attack techniques.
Actualizar a una versión parcheada o implementar medidas de saneamiento de entrada para el parámetro userid en el archivo /delstaffinfo.php para evitar la ejecución de código XSS.
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CVE-2026-5255 is a cross-site scripting (XSS) vulnerability affecting Simple Laundry System version 1.0, allowing attackers to inject malicious scripts via the 'userid' parameter in /delstaffinfo.php.
If you are running Simple Laundry System version 1.0, you are potentially affected. Upgrade to a patched version as soon as possible.
The recommended fix is to upgrade to a patched version of Simple Laundry System. Until then, implement WAF rules and input validation to mitigate the risk.
Due to the public availability of an exploit, CVE-2026-5255 is considered to be at high risk of active exploitation.
Refer to the Simple Laundry System official website or security mailing list for the latest advisory and patch information.
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