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.
Does this matter?
Lower severity and a low EPSS score (0.25%). 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
- 0.25% probability · 17th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- chuck24/simple to-do list system
- Source
- cve@mitre.org
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.