{"cve":"CVE-2021-26829","nvd":{"published":"2021-06-11T12:15:12.053","modified":"2026-06-17T03:43:50.063","status":"Analyzed","description":"OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.","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":["http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4","https://youtu.be/Xh6LPCiLMa8","http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4","https://youtu.be/Xh6LPCiLMa8","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26829"],"products":["scadabr:scadabr"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-26829","score":0.4805,"percentile":0.98857,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-26829","date_added":"2025-11-28","due_date":"2025-12-19","vendor":"OpenPLC","product":"ScadaBR","known_ransomware":false},"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."]}