CVE-2025-63640

Name: CVE-2025-63640
Creator: NVD / NIST
Published: 2025-11-07T20:15:38.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-63640 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Sourcecodester Medicine Reminder App v1.0 is vulnerable to Cross-Site Scripting (XSS) in the "Medicine Name" and "Notes (Optional)" fields when creating an "Upcoming Reminder", allowing an attacker to inject arbitrary potentially malicious HTML/JavaScript code that executes in the victim's browser upon clicking the "Save Reminder" button.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Sourcecodester Medicine Reminder App v1.0 is vulnerable to Cross-Site Scripting (XSS) in the "Medicine Name" and "Notes (Optional)" fields when creating an "Upcoming Reminder", allowing an attacker to inject arbitrary potentially malicious HTML/JavaScript code that executes in the victim's browser upon clicking the "Save Reminder" button.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.19%

9.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Rems	Medicine Reminder App	1.0

References

https://github.com/ChuckBartowski7/Vulnerability-Research/blob/main/CVE-2025-63640/README.mdExploit, Mitigation, Third Party Advisory
https://www.sourcecodester.com/javascript/18402/medicine-reminder-app-using-html-css-and-javascript-source-code.htmlProduct

Timeline

Published: Nov 7, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-63640?

How severe is CVE-2025-63640?

CVE-2025-63640 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-63640?

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-2025-63640?

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

Scan your code now

Source: NVD / NIST