{"cve":"CVE-2021-30650","nvd":{"published":"2022-02-18T18:15:09.307","modified":"2026-06-17T03:50:37.330","status":"Modified","description":"A reflected cross-site scripting (XSS) vulnerability in the Symantec Layer7 API Management OAuth Toolkit (OTK) allows a remote attacker to craft a malicious URL for the OTK web UI and target OTK users with phishing attacks or other social engineering techniques. A successful attack allows injecting malicious code into the OTK web UI client application.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/CVE-2021-30650-Layer7-OAuth-Toolkit-OTK-/20170","https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/CVE-2021-30650-Layer7-OAuth-Toolkit-OTK-/20170"],"products":["broadcom:layer7_api_management_oauth_toolkit"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-30650","score":0.00722,"percentile":0.54014,"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."]}