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No exploitation reportedFix available

CVE-2019-18213

No exploitation reported by the sources we read.

  • Published2019-10-23
  • WeaknessCWE-611

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

XML Language Server (aka lsp4xml) before 0.9.1, as used in Red Hat XML Language Support (aka vscode-xml) before 0.9.1 for Visual Studio and other products, allows XXE via a crafted XML document, with resultant SSRF (as well as SMB connection initiation that can lead to NetNTLM challenge/response capture for password cracking). This occurs in extensions/contentmodel/participants/diagnostics/LSPXMLParserConfiguration.java.

Timeline

dates in UTC
  1. 2019-10-2322:15CVE publishedNVD

Versions per branch

NVD
Eclipse wild web developer
BranchAffectedFixed in
—all versionsno fix published
Theia xml extension project theia xml extension
BranchAffectedFixed in
—all versionsno fix published
Xml language server project xml server project
BranchAffectedFixed in
0.9< 0.9.10.9.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2019-10-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-8whm-fx4q-45xx

Frequently asked questions

What is CVE-2019-18213?

XML Language Server (aka lsp4xml) before 0.9.1, as used in Red Hat XML Language Support (aka vscode-xml) before 0.9.1 for Visual Studio and other products, allows XXE via a crafted XML document, with resultant SSRF (as well as SMB connection initiation that can lead to NetNTLM challenge/response capture for password cracking). This occurs in extensions/contentmodel/participants/diagnostics/LSPXMLParserConfiguration.java.

Is CVE-2019-18213 actively exploited?

Active exploitation of CVE-2019-18213 has not been confirmed. Its EPSS score was 2.0% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18213?

CVE-2019-18213 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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