CVE-2021-41917 Information

Description

webTareas version 2.4 and earlier allows an authenticated user to store arbitrary web script or HTML by creating or editing a client name in the clients section due to incorrect sanitization of user-supplied data and achieve a Stored Cross-Site Scripting attack against the platform users and administrators. The affected endpoint is /clients/editclient.php on the HTTP POST cn parameter.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

https://n4nj0.github.io/advisories/webtareas-multiple-vulnerabilities-i/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4