{"cve":"CVE-2021-21515","nvd":{"published":"2021-03-01T21:15:13.957","modified":"2026-06-17T03:35:42.517","status":"Modified","description":"Dell EMC SourceOne, versions 7.2SP10 and prior, contain a Stored Cross-Site Scripting vulnerability. A remote low privileged attacker may potentially exploit this vulnerability, to hijack user sessions or to trick a victim application user to unknowingly send arbitrary requests to the server.","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://www.dell.com/support/kbdoc/en-us/000183430/dsa-2021-043-dell-emc-sourceone-java-script-xss-stored-vulnerability","https://www.dell.com/support/kbdoc/en-us/000183430/dsa-2021-043-dell-emc-sourceone-java-script-xss-stored-vulnerability"],"products":["dell:emc_sourceone"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-21515","score":0.00846,"percentile":0.58074,"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."]}