{"cve":"CVE-2021-27673","nvd":{"published":"2021-04-15T14:15:16.920","modified":"2026-06-17T03:45:19.977","status":"Modified","description":"Cross Site Scripting (XSS) in the \"admin_boxes.ajax.php\" component of Tribal Systems Zenario CMS v8.8.52729 allows remote attackers to execute arbitrary code by injecting arbitrary HTML into the \"cID\" parameter when creating a new HTML component.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","score":4.8},"cwes":["CWE-79"],"references":["http://packetstormsecurity.com/files/163083/Zenario-CMS-8.8.52729-SQL-Injection.html","https://deadsh0t.medium.com/blind-error-based-authenticated-sql-injection-on-zenario-8-8-52729-cms-d4705534df38","http://packetstormsecurity.com/files/163083/Zenario-CMS-8.8.52729-SQL-Injection.html","https://deadsh0t.medium.com/blind-error-based-authenticated-sql-injection-on-zenario-8-8-52729-cms-d4705534df38"],"products":["tribalsystems:zenario"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-27673","score":0.01089,"percentile":0.65346,"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."]}