Vulnerability in Eclipse Theia

CVE-2021-28162

In Eclipse Theia versions up to and including 0.16.0, in the notification messages there is no HTML escaping, so Javascript code can run.

EPSS: 0.008 (51.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • emo@eclipse.org (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-28162?
CVE-2021-28162 is a medium-severity vulnerability in Eclipse Theia, classified under CWE-830. CVSS score: 6.1/10. Published 2021-03-12.
How severe is CVE-2021-28162?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-28162 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.