CVE-2026-4973— SourceCodester Online Quiz System add-question.php cross site scripting
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I. Basic Information for CVE-2026-4973
Vulnerability Information
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Vulnerability Title
SourceCodester Online Quiz System add-question.php cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in SourceCodester Online Quiz System up to 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-question.php. Performing a manipulation of the argument quiz_question results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
SourceCodester Online Quiz System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SourceCodester Online Quiz System是SourceCodester开源的一个在线问答系统。 SourceCodester Online Quiz System 1.0及之前版本存在安全漏洞，该漏洞源于对文件endpoint/add-question.php中参数quiz_question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 |
|---|---|---|---|---|
| SourceCodester | Online Quiz System | 1.0 | - |
II. Public POCs for CVE-2026-4973
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- Submit #778101: SourceCodester Online Quiz System 1.0 Cross Site Scriptingthird-party-advisory
- CVE-2026-4973 SourceCodester Online Quiz System add-question.php cross site scriptingvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-4973
Same Patch Batch · SourceCodester · 2026-03-27 · 3 CVEs total
| CVE-2026-4968 | 4.3 MEDIUM | SourceCodester Diary App diary.php cross-site request forgery |
| CVE-2026-4971 | 4.3 MEDIUM | SourceCodester Note Taking App cross-site request forgery |
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Same vendor: SourceCodester
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Same weakness: CWE-79
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V. Comments for CVE-2026-4973
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