{"cve":"CVE-2021-36686","nvd":{"published":"2023-01-26T21:15:24.030","modified":"2026-06-17T03:59:00.140","status":"Modified","description":"Cross Site Scripting (XSS) vulnerability in yapi 1.9.1 allows attackers to execute arbitrary code via the /interface/api edit 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://github.com/YMFE/yapi/issues/2190","https://github.com/YMFE/yapi/issues/2240","https://github.com/YMFE/yapi/issues/2190","https://github.com/YMFE/yapi/issues/2240"],"products":["ymfe:yapi"],"source":"nvd","synced_at":"2026-10-19T21:37:34.931465858+00:00"},"epss":{"cve":"CVE-2021-36686","score":0.0054,"percentile":0.45478,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4jqw-vfmj-9rmh","url":"https://osv.dev/vulnerability/GHSA-4jqw-vfmj-9rmh","summary":"Cross-site Scripting in yapi-vendor","modified":"2023-11-08T04:06:15.376801Z","packages":[{"ecosystem":"npm","name":"yapi-vendor","purl":"pkg:npm/yapi-vendor","ranges":["<=1.9.1"],"fixed":[]}]}],"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."]}