{"cve":"CVE-2017-15878","nvd":{"published":"2017-10-24T21:29:00.517","modified":"2026-06-17T01:08:25.263","status":"Modified","description":"A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-beta.7 via the Contact Us feature.","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://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/","http://www.securityfocus.com/bid/101541","https://github.com/keystonejs/keystone/pull/4478","https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html","https://www.exploit-db.com/exploits/43054/"],"products":["keystonejs:keystone"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2017-15878","score":0.03415,"percentile":0.88889,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7qcx-jmrc-h2rr","url":"https://osv.dev/vulnerability/GHSA-7qcx-jmrc-h2rr","summary":"Cross-Site Scripting in keystone","modified":"2023-11-08T03:58:58.853594Z","packages":[{"ecosystem":"npm","name":"keystone","purl":"pkg:npm/keystone","ranges":["<4.0.0"],"fixed":["4.0.0"]}]}],"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."]}