XSS in Rems Medicine Reminder App
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Rems Medicine Reminder App — versions 1.0
Weakness classification (CWE)
References
- www.sourcecodester.com/javascript/18402/medicine-reminder-app-using-html-css-an… (Product)
- github.com/ChuckBartowski7/Vulnerability-Research/blob/main/CVE-2025-63640/READ… (Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2025-63640?
- CVE-2025-63640 is a medium-severity vulnerability in Rems Medicine Reminder App, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-07.
- How severe is CVE-2025-63640?
- Medium severity. CVSS v3 base score is 6.1 out of 10.