CVE-2025-9922 is a cross-site scripting (XSS) vulnerability identified in version 1.0 of the Campcodes Sales and Inventory System. The vulnerability arises from improper sanitization or validation of the 'page' parameter in the /index.php file, allowing an attacker to inject malicious scripts. This flaw can be exploited remotely without requiring authentication, and the attack vector involves tricking a user into visiting a crafted URL containing the malicious payload in the 'page' argument. Successful exploitation can lead to the execution of arbitrary JavaScript in the context of the victim's browser session. This may enable attackers to steal session cookies, perform actions on behalf of the user, or redirect users to malicious sites. The CVSS 4.0 base score is 5.3, indicating a medium severity level. The vulnerability does not impact confidentiality directly but affects integrity and availability to a limited extent through user session compromise or phishing facilitation. No patches or mitigations have been officially published yet, and no known exploits are currently observed in the wild, although public disclosure of the exploit code exists, increasing the risk of exploitation.

For European organizations using Campcodes Sales and Inventory System 1.0, this vulnerability poses a moderate risk. Since the system is used for sales and inventory management, compromised user sessions could lead to unauthorized access to sensitive business data, manipulation of inventory records, or fraudulent transactions. The XSS vulnerability could also be leveraged to conduct targeted phishing attacks against employees, potentially leading to broader network compromise. Given the remote exploitability without authentication, attackers can target exposed web interfaces directly. The impact is particularly significant for organizations with web-facing instances of the system accessible to employees or partners. Disruption or data integrity issues in sales and inventory systems can affect operational continuity and financial accuracy, which are critical for business processes.

Organizations should immediately audit their deployment of Campcodes Sales and Inventory System to identify exposed instances of version 1.0. As no official patch is currently available, temporary mitigations include implementing web application firewall (WAF) rules to detect and block suspicious input patterns targeting the 'page' parameter, such as script tags or encoded payloads. Input validation and output encoding should be enforced at the application level to sanitize user-supplied data. Additionally, organizations should educate users to be cautious of suspicious links and consider restricting access to the system via VPN or IP whitelisting to reduce exposure. Monitoring web server logs for unusual requests targeting the vulnerable parameter can help detect exploitation attempts. Once a patch is released by the vendor, prompt application of updates is critical. Finally, implementing Content Security Policy (CSP) headers can mitigate the impact of XSS by restricting script execution sources.