CVE-2021-28006

MEDIUM

Web Based Quiz System 1.0 - Cross-Site Scripting via options Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-28006. PoCs published by Praharsh Kumar Singh.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Web Based Quiz System 1.0, where malicious JavaScript can be injected into the MCQ options parameter. The payload is executed when a user attempts the quiz, leading to potential session hijacking.

Description

Web Based Quiz System 1.0 is affected by cross-site scripting (XSS) in admin.php through the options parameter.

Exploits (1)

exploitdb WORKING POC
by Praharsh Kumar Singh · textwebappsphp
https://www.exploit-db.com/exploits/49605

This exploit demonstrates a stored XSS vulnerability in Web Based Quiz System 1.0, where malicious JavaScript can be injected into the MCQ options parameter. The payload is executed when a user attempts the quiz, leading to potential session hijacking.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Web Based Quiz System 1.0
Auth required
Prerequisites: Admin access to add questions · User interaction to trigger the payload
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/49605

Scores

CVSS v3 6.1
EPSS 0.0086
EPSS Percentile 53.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
web_based_quiz_system_project/web_based_quiz_system 1.0
Published Mar 09, 2021
Tracked Since Feb 18, 2026