Vulnerability · Published Feb 24, 2021 · Assigned by eclipse

CVE-2020-27224

Critical 9.6

In plain English

A critical-severity cross-site scripting in Eclipse Theia from The Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.6Critical
Exploit odds (30 days)2.6%top 14.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npm@theia/preview1.3.0GHSA-gcm9-cc3r-c6vj

Affected products (as reported)

VendorProductVersions
The Eclipse Foundation Eclipse Theia unspecified – through 1.2.0

Weakness: CWE-79

References