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GitHub Advisory DatabaseGHSA-GCM9-CC3R-C6VJ

HistoryApr 13, 2021 - 3:18 p.m.

Cross-site Scripting (XSS) in Eclipse Theia

2021-04-1315:18:09

CWE-79

GitHub Advisory Database

github.com

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.003 Low

EPSS

Percentile

65.2%

JSON

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

CPENameOperatorVersion
@theia/previewlt1.2.0

CPE	Name	Operator	Version
	@theia/preview	lt	1.2.0

References

github.com/advisories/GHSA-gcm9-cc3r-c6vj

github.com/eclipse-theia/theia/issues/7954

github.com/eclipse-theia/theia/pull/7971

nvd.nist.gov/vuln/detail/CVE-2020-27224

omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.003 Low

EPSS

Percentile

65.2%

JSON

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