CVE-2025-63640 Cross-site scripting in n/a
Attackers can inject malicious scripts via reminder fields, executing code in victims' browsers when saving reminders.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-63640?
CVE-2025-63640 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-63640?
It affects 1 product.
Products include Rems Medicine Reminder App.
How do I fix CVE-2025-63640?
No fix has been published for CVE-2025-63640 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-63640 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63640 exists.
Sources
Also known as GHSA-8qh7-rvp7-2455.