CVE-2021-41917

medium

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.

References

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

Details

Source: Mitre, NVD

Published: 2021-10-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.4

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

Severity: Medium

EPSS

EPSS: 0.00341