{"cve":"CVE-2023-0357","nvd":{"published":"2023-04-04T23:15:07.153","modified":"2026-06-17T05:25:21.430","status":"Modified","description":"Helpy version 2.8.0 allows an unauthenticated remote attacker to exploit an XSS stored in the application. This is possible because the application does not correctly validate the attachments sent by customers in the ticket.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://fluidattacks.com/advisories/quayle/","https://github.com/helpyio/helpy/","https://fluidattacks.com/advisories/quayle/","https://github.com/helpyio/helpy/"],"products":["helpy.io:helpy"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2023-0357","score":0.00687,"percentile":0.52684,"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."]}