{"cve":"CVE-2021-37393","nvd":{"published":"2021-07-26T18:15:08.550","modified":"2026-06-17T04:00:27.990","status":"Modified","description":"In RPCMS v1.8 and below, the \"nickname\" variable is not properly sanitized before being displayed on page. Attacker can use \"update password\" function to inject XSS payloads into nickname variable, and achieve stored XSS. Users who view the articles published by the injected user will trigger the XSS.","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://gist.github.com/victomteng1997/bfa1e0e07dd22f7e0b13256eda79626f","https://github.com/ralap-z/RPCMS/","https://gist.github.com/victomteng1997/bfa1e0e07dd22f7e0b13256eda79626f","https://github.com/ralap-z/RPCMS/"],"products":["rpcms:rpcms"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-37393","score":0.00527,"percentile":0.44669,"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."]}