What’s Vulnerable › Vulnerabilities

CVE-2021-28161

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-12 · updated 2026-06-17
• Weakness: CWE-79

Description

In Eclipse Theia versions up to and including 1.8.0, in the debug console there is no HTML escaping, so arbitrary Javascript code can be injected.

Affected products

• Eclipse Foundation Eclipse Theia: through 1.8.0

References

• https://github.com/eclipse-theia/theia/issues/8794
• https://github.com/eclipse-theia/theia/issues/8794

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