{"cve":"CVE-2017-18635","nvd":{"published":"2019-09-25T23:15:09.937","modified":"2026-06-17T01:13:12.307","status":"Modified","description":"An XSS vulnerability was discovered in noVNC before 0.6.2 in which the remote VNC server could inject arbitrary HTML into the noVNC web page via the messages propagated to the status field, such as the VNC server name.","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://access.redhat.com/errata/RHSA-2020:0754","https://bugs.launchpad.net/horizon/+bug/1656435","https://github.com/ShielderSec/cve-2017-18635","https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534","https://github.com/novnc/noVNC/issues/748"],"products":["canonical:ubuntu_linux","debian:debian_linux","novnc:novnc","redhat:openstack"],"source":"nvd","synced_at":"2026-10-19T20:59:10.855360465+00:00"},"epss":{"cve":"CVE-2017-18635","score":0.04788,"percentile":0.91932,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-49rv-g7w5-m8xx","url":"https://osv.dev/vulnerability/GHSA-49rv-g7w5-m8xx","summary":"Cross-Site Scripting in @novnc/novnc","modified":"2023-11-08T03:59:16.468972Z","packages":[{"ecosystem":"npm","name":"@novnc/novnc","purl":"pkg:npm/%40novnc/novnc","ranges":["<0.6.2"],"fixed":["0.6.2"]}]}],"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."]}