{"cve":"CVE-2021-41918","nvd":{"published":"2021-10-08T16:15:08.293","modified":"2026-06-17T04:09:03.310","status":"Modified","description":"webTareas version 2.4 and earlier allows an authenticated user to inject arbitrary web script or HTML due to incorrect sanitization of user-supplied data and achieve a Reflected Cross-Site Scripting attack against the platform users and administrators. The issue affects every endpoint on the application because it is related on how each URL is echoed back on every response page.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://n4nj0.github.io/advisories/webtareas-multiple-vulnerabilities-i/","https://n4nj0.github.io/advisories/webtareas-multiple-vulnerabilities-i/"],"products":["webtareas_project:webtareas"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-41918","score":0.00565,"percentile":0.46946,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}