{"cve":"CVE-2021-31583","nvd":{"published":"2021-04-23T21:15:08.310","modified":"2026-06-17T03:52:02.260","status":"Modified","description":"Sipwise C5 NGCP WWW Admin version 3.6.7 up to and including platform version NGCP CE 3.0 has multiple authenticated stored and reflected XSS vulnerabilities when input passed via several parameters to several scripts is not properly sanitized before being returned to the user: Stored XSS in callforward/time/set/save (POST tsetname); Reflected XSS in addressbook (GET filter); Stored XSS in addressbook/save (POST firstname, lastname, company); and Reflected XSS in statistics/versions (GET lang).","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://lists.sipwise.com/pipermail/spce-user_lists.sipwise.com/2021-September/014708.html","http://packetstormsecurity.com/files/162316/Sipwise-C5-NGCP-CSC-Cross-Site-Scripting.html","https://www.sipwise.com","https://www.zeroscience.mk/en/vulnerabilities","https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5648.php"],"products":["sipwise:next_generation_communication_platform"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-31583","score":0.01123,"percentile":0.66251,"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."]}