CVE-2026-2943 describes a cross-site scripting (XSS) vulnerability affecting the SapneshNaik Student Management System. This flaw allows attackers to inject malicious scripts into the application, potentially compromising user data and session integrity. The vulnerability exists in versions up to f4b4f0928f0b5551a28ee81ae7e7fe47d9345318, and a public exploit is available, indicating an elevated risk. Due to the lack of versioning, specific mitigation steps are limited to input validation and output encoding.
Successful exploitation of CVE-2026-2943 enables an attacker to execute arbitrary JavaScript code within the context of a user's browser session. This can lead to various malicious actions, including stealing session cookies, redirecting users to phishing sites, and defacing the application's interface. The attacker could potentially gain access to sensitive student data, such as grades, personal information, and financial details, depending on the application's functionality and data storage practices. Given the availability of a public exploit, the blast radius is significant, potentially impacting all users of the vulnerable Student Management System.
CVE-2026-2943 has been publicly disclosed and a proof-of-concept exploit is readily available, indicating a high probability of exploitation. The vulnerability is not currently listed on CISA KEV. The vendor has not responded to early disclosure attempts, which may indicate a lack of responsiveness to security concerns. The availability of a public exploit significantly increases the risk of widespread exploitation.
Organizations and individuals using the SapneshNaik Student Management System, particularly those without robust input validation and output encoding practices, are at significant risk. Shared hosting environments where multiple users share the same instance of the application are especially vulnerable, as an attacker could potentially compromise the entire hosting environment.
• generic web:
curl -I 'http://your-student-management-system.com/index.php?Error=<script>alert(1)</script>' | grep -i content-type• generic web:
curl 'http://your-student-management-system.com/index.php?Error=<script>alert(1)</script>' | grep -i alertdisclosure
漏洞利用状态
EPSS
0.03% (9% 百分位)
CISA SSVC
CVSS 向量
Due to the lack of versioning in the SapneshNaik Student Management System, direct patching is not possible. The primary mitigation strategy involves implementing robust input validation and output encoding techniques. Specifically, carefully sanitize all user-supplied input, particularly the 'Error' argument in index.php, to prevent the injection of malicious scripts. Employ output encoding to ensure that any user-supplied data displayed in the application is properly escaped. Consider implementing a Web Application Firewall (WAF) with XSS protection rules to filter out malicious requests. Regularly review and update the application's codebase to address potential security vulnerabilities.
升级学生管理系统到补丁版本，或采取必要的安全措施以防止执行不需要的 JavaScript 代码。验证和清理用户输入，特别是 index.php 文件中的 'Error' 参数，以防止跨站脚本 (XSS) 攻击。
漏洞分析和关键警报直接发送到您的邮箱。
CVE-2026-2943 is a cross-site scripting (XSS) vulnerability in the SapneshNaik Student Management System allowing attackers to inject malicious scripts. It impacts versions up to f4b4f0928f0b5551a28ee81ae7e7fe47d9345318.
If you are using the SapneshNaik Student Management System version f4b4f0928f0b5551a28ee81ae7e7fe47d9345318 or earlier, you are potentially affected by this XSS vulnerability.
Due to the lack of versioning, patching is not possible. Mitigate by implementing robust input validation and output encoding techniques, and consider a WAF.
A public exploit exists, indicating a high probability of active exploitation and increasing the risk to vulnerable systems.
The vendor has not released an official advisory. Refer to the CVE entry for more information: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-2943
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