CVE-2025-63640: medicine reminder XSS — Exploit

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.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
rems	medicine_reminder_app	All

References

Exploits

https://github.com/ChuckBartowski7/Vulnerability-Research/blob/main/CVE-2025-63640/README.md

Other References

https://www.sourcecodester.com/javascript/18402/medicine-reminder-app-using-html-css-and-javascript-source-code.html

Frequently Asked Questions

What is CVE-2025-63640? +

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. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-63640? +

CVE-2025-63640 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-63640? +

CVE-2025-63640 affects products from rems, specifically: medicine_reminder_app. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63640? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-63640