{"cve":"CVE-2021-26587","nvd":{"published":"2021-09-27T15:15:07.513","modified":"2026-06-17T03:43:31.540","status":"Modified","description":"A potential DOM-based Cross Site Scripting security vulnerability has been identified in HPE StoreOnce. The vulnerability could be remotely exploited to cause an elevation of privilege leading to partial impact to confidentiality, availability, and integrity. HPE has made the following software update - HPE StoreOnce 4.3.0, to resolve the vulnerability in HPE StoreOnce.","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:L","score":6.5},"cwes":["CWE-79"],"references":["https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst04176en_us","https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst04176en_us"],"products":["hpe:storeonce_3620_firmware","hpe:storeonce_3640_firmware","hpe:storeonce_5200_firmware","hpe:storeonce_5250_firmware","hpe:storeonce_5650_firmware","hpe:storeonce_vsa_4tb_firmware"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-26587","score":0.00497,"percentile":0.4261,"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."]}