CVE-2021-43141

MEDIUM

Sourcecodester Simple Subscription Website 1.0 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-43141. PoCs published by Jeromeyoung.

AI-analyzed exploit summary This repository contains a README describing CVE-2021-43141, a reflected XSS vulnerability in the plan_application section. No exploit code or technical details are provided.

Description

Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Simple Subscription Website 1.0 via the id parameter in plan_application.

Exploits (1)

nomisec WRITEUP
by Jeromeyoung · poc
https://github.com/Jeromeyoung/CVE-2021-43141

This repository contains a README describing CVE-2021-43141, a reflected XSS vulnerability in the plan_application section. No exploit code or technical details are provided.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Theoretical
Target: unknown (plan_application section mentioned)
No auth needed
Prerequisites: access to the vulnerable plan_application section
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Dir0x/CVE-2021-43141
Exploit, Third Party Advisory x_refsource_misc
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-43141
Exploit, Third Party Advisory x_refsource_misc
https://www.nu11secur1ty.com/2021/11/cve-2021-43141.html
Exploit, Third Party Advisory x_refsource_misc
https://streamable.com/8gydfs

Scores

CVSS v3 6.1
EPSS 0.0042
EPSS Percentile 62.4%
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)
oretnom23/simple_subscription_website 1.0
Published Nov 03, 2021
Tracked Since Feb 18, 2026