{"cve":"CVE-2020-27224","nvd":{"published":"2021-02-24T17:15:15.500","modified":"2026-06-17T03:09:00.320","status":"Modified","description":"In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","score":9.6},"cwes":["CWE-79"],"references":["https://github.com/eclipse-theia/theia/issues/7954","https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/","https://github.com/eclipse-theia/theia/issues/7954","https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/"],"products":["eclipse:theia"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2020-27224","score":0.02593,"percentile":0.85309,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gcm9-cc3r-c6vj","url":"https://osv.dev/vulnerability/GHSA-gcm9-cc3r-c6vj","summary":"Cross-site Scripting (XSS) in Eclipse Theia","modified":"2023-11-08T04:03:21.439389Z","packages":[{"ecosystem":"npm","name":"@theia/preview","purl":"pkg:npm/%40theia/preview","ranges":["<1.3.0"],"fixed":["1.3.0"]}]}],"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."]}