What is CVE-2025-63709?

CVE-2025-63709 is a medium-severity vulnerability in Chuck24 Simple_to-do_list_system, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-10.

How severe is CVE-2025-63709?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Chuck24 Simple_to-do_list_system

CVE-2025-63709

A Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Simple To-Do List System 1.0 in the "Add Tasks" text input. An authenticated user can submit HTML/JavaScript that is not correctly sanitized or encoded on output. The inje…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Chuck24 Simple_to-do_list_system — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2025-63709?: CVE-2025-63709 is a medium-severity vulnerability in Chuck24 Simple_to-do_list_system, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-10.
How severe is CVE-2025-63709?: Medium severity. CVSS v3 base score is 5.4 out of 10.