CVE-2026-2122 identifies a SQL injection vulnerability in Xiaopi Panel up to version 20260126, specifically within the /demo.php file of the WAF Firewall component. The vulnerability stems from inadequate input validation of the 'ID' parameter, which allows an attacker to inject arbitrary SQL commands remotely without requiring authentication or user interaction. This flaw can be exploited to manipulate backend database queries, potentially leading to unauthorized data access, modification, or deletion. The vulnerability has a CVSS 4.0 score of 5.3, reflecting medium severity due to the partial impact on confidentiality, integrity, and availability, and the lack of required privileges or user interaction. The vendor was notified but has not issued a patch or response, and public exploit code is available, increasing the risk of exploitation in the wild. The vulnerability affects only the specified version 20260126 of Xiaopi Panel, and no known exploits have been observed in the wild yet. The lack of vendor response and patch availability necessitates immediate defensive measures by users of the affected product.

The SQL injection vulnerability in Xiaopi Panel can allow attackers to execute arbitrary SQL commands on the backend database, potentially leading to unauthorized data disclosure, data manipulation, or deletion. This compromises the confidentiality, integrity, and availability of the affected systems. Exploitation can result in leakage of sensitive information, unauthorized privilege escalation, or disruption of services relying on the database. Since the attack can be launched remotely without authentication, the attack surface is broad, increasing the risk to organizations using Xiaopi Panel. The public availability of exploit code further elevates the threat, potentially enabling automated attacks. Organizations relying on Xiaopi Panel for web application firewall functionality may face increased risk of compromise, data breaches, and operational disruption until the vulnerability is remediated.

1. Immediately restrict external access to the /demo.php endpoint or the entire Xiaopi Panel interface via network controls such as firewalls or VPNs to limit exposure. 2. Implement web application firewall rules to detect and block SQL injection patterns targeting the 'ID' parameter. 3. Employ input validation and parameterized queries or prepared statements if modifying the source code is possible to prevent injection. 4. Monitor logs for suspicious database query patterns or unusual activity related to the 'ID' parameter. 5. If feasible, isolate the affected Xiaopi Panel instance in a segmented network zone to reduce potential lateral movement. 6. Engage with the vendor or community to obtain patches or updated versions addressing the vulnerability. 7. Consider deploying runtime application self-protection (RASP) tools to detect and block injection attempts dynamically. 8. Prepare incident response plans to quickly address potential exploitation attempts given the public availability of exploits.