CVE-2021-40577

Name: CVE-2021-40577
Creator: NVD / NIST
Published: 2021-11-08T18:15:10.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2021-40577 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Enrollment Management System in PHP and PayPal Free Source Code 1.0 in the Add-Users page via the Name parameter.. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Enrollment Management System in PHP and PayPal Free Source Code 1.0 in the Add-Users page via the Name parameter.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.64%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Online Enrollment Management System Project	Online Enrollment Management System	1.0

References

http://packetstormsecurity.com/files/165106/Online-Enrollment-Management-System-In-PHP-And-PayPal-1.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://medium.com/%40J03KR/cve-2021-40577-ec96a831ba71
http://packetstormsecurity.com/files/165106/Online-Enrollment-Management-System-In-PHP-And-PayPal-1.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://medium.com/%40J03KR/cve-2021-40577-ec96a831ba71

Timeline

Published: Nov 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40577?

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Enrollment Management System in PHP and PayPal Free Source Code 1.0 in the Add-Users page via the Name parameter.

How severe is CVE-2021-40577?

CVE-2021-40577 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40577?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40577?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST