{"cve":"CVE-2017-5621","nvd":{"published":"2017-03-13T06:59:00.340","modified":"2026-06-17T01:20:51.930","status":"Modified","description":"An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. XSS can be triggered via malicious HTML in a chat message or the content of a ticket article, when using either the REST API or the WebSocket API.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["http://www.securityfocus.com/bid/96937","https://zammad.com/de/news/security-advisory-zaa-2017-01","http://www.securityfocus.com/bid/96937","https://zammad.com/de/news/security-advisory-zaa-2017-01"],"products":["zammad:zammad"],"source":"nvd","synced_at":"2026-10-19T20:41:54.846948762+00:00"},"epss":{"cve":"CVE-2017-5621","score":0.00671,"percentile":0.52022,"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."]}