CVE-2020-28129

MEDIUM

Gym Management System 1.0 - Stored Cross-Site Scripting via Package Name and Description Fields

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-28129. PoCs published by Jyotsna Adhana.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Gym Management System 1.0 by injecting a malicious script into the 'Package Name' and 'Description' fields. The payload executes when a user visits the Packages section, stealing cookies.

Description

Stored Cross-site scripting (XSS) vulnerability in SourceCodester Gym Management System 1.0 allows users to inject and store arbitrary JavaScript code in index.php?page=packages via vulnerable fields 'Package Name' and 'Description'.

Exploits (1)

exploitdb WORKING POC
by Jyotsna Adhana · textwebappsphp
https://www.exploit-db.com/exploits/48941

This exploit demonstrates a stored XSS vulnerability in Gym Management System 1.0 by injecting a malicious script into the 'Package Name' and 'Description' fields. The payload executes when a user visits the Packages section, stealing cookies.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Gym Management System 1.0
Auth required
Prerequisites: Access to the application's package management interface · Valid session cookie
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/48941

Scores

CVSS v3 6.1
EPSS 0.0095
EPSS Percentile 56.5%
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)
admerc/gym_management_system 1.0
Published Nov 17, 2020
Tracked Since Feb 18, 2026