{"cve":"CVE-2021-41038","nvd":{"published":"2021-11-10T17:15:11.170","modified":"2026-06-17T04:07:47.413","status":"Modified","description":"In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage().","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-940"],"references":["https://bugs.eclipse.org/bugs/show_bug.cgi?id=575924","https://github.com/eclipse-theia/theia/pull/10125","https://bugs.eclipse.org/bugs/show_bug.cgi?id=575924","https://github.com/eclipse-theia/theia/pull/10125"],"products":["eclipse:theia"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-41038","score":0.00737,"percentile":0.54515,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-w6v7-w58j-pg5r","url":"https://osv.dev/vulnerability/GHSA-w6v7-w58j-pg5r","summary":"Improper Verification of Communication Channel in @theia/plugin-ext","modified":"2023-11-08T04:06:50.177225Z","packages":[{"ecosystem":"npm","name":"@theia/plugin-ext","purl":"pkg:npm/%40theia/plugin-ext","ranges":["<1.18.0"],"fixed":["1.18.0"]}]}],"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."]}