CVE-2025-63640: Sourcecodester Medicine Reminder App · Cross-site Scripting
Source CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 7 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
To mitigate CVE-2025-63640, organizations should implement strict input validation and sanitization on the "Medicine Name" and "Notes" fields to reject or neutralize any HTML or JavaScript content. Employing context-aware output encoding (e.g., HTML entity encoding) before rendering user inputs in the browser is critical to prevent script execution. Utilizing Content Security Policy (CSP) headers can reduce the impact of injected scripts by restricting allowed sources of executable code. User education campaigns should inform users about the risks of entering or clicking suspicious inputs. If possible, disable or restrict the use of free-form text fields or implement a whitelist of allowed characters. Monitoring application logs for unusual input patterns and anomalous user behavior can help detect exploitation attempts. Until an official patch is released, consider isolating the app environment or limiting its use to trusted users. Regularly check for updates from the vendor and apply patches promptly once available.
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.