VulnerabilityModified
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.
MEDIUM 5.4EPSS 0.24%
Does this matter?
Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.
Description
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 injected script is stored and later rendered in the browser of any user who views the task, allowing execution of arbitrary script in the context of the victim's browser.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.24% probability · 15th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- chuck24/simple to-do list system
- Source
- cve@mitre.org
References
- https://github.com/floccocam-cpu/CVE-Research-2025/tree/main/CVE-2025-63709Exploit, Mitigation, Third Party Advisory
- https://www.sourcecodester.com/php/17897/simple-do-list-system-using-php.htmlProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.