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CVE-2026-4557— code-projects Exam Form Submission update_s1.php cross site scripting

Quick assessment

Affected
code-projects Exam Form Submission
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Code-Projects Exam Form Submission是Code-Projects开源的一个考试表格。 Code-Projects Exam Form Submission 1.0版本存在代码注入漏洞，该漏洞源于对文件/admin/update_s1.php中参数sname的错误操作，可能导致跨站脚本攻击。

CVSS 4.3 · Medium EPSS 0.45% · P37
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I. Basic Information for CVE-2026-4557

Vulnerability Information
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Vulnerability Title
code-projects Exam Form Submission update_s1.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in code-projects Exam Form Submission 1.0. This impacts an unknown function of the file /admin/update_s1.php. Performing a manipulation of the argument sname results in cross site scripting. The attack may be initiated remotely. The exploit is now public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Code-Projects Exam Form Submission 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Code-Projects Exam Form Submission是Code-Projects开源的一个考试表格。 Code-Projects Exam Form Submission 1.0版本存在代码注入漏洞，该漏洞源于对文件/admin/update_s1.php中参数sname的错误操作，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
code-projects Exam Form Submission 1.0 cpe:2.3:a:code-projects:exam_form_submission:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4557

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III. Intelligence Information for CVE-2026-4557

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Vendor Advisories for CVE-2026-4557 (2)

Other References for CVE-2026-4557 (1)

Same Patch Batch · code-projects · 2026-03-22 · 4 CVEs total

CVE-2026-4533 6.3 MEDIUM code-projects Simple Food Ordering System all-tickets.php sql injection
CVE-2026-4532 5.3 MEDIUM code-projects Simple Food Ordering System Database Backup food.sql file access
CVE-2026-4550 4.7 MEDIUM code-projects Simple Gym Management System func.php sql injection

IV. Related Vulnerabilities

Same product: Exam Form Submission
Same vendor: code-projects
Same weakness: CWE-79

V. Comments for CVE-2026-4557

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