How severe is CVE-2019-18212?

CVE-2019-18212 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-18212 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18212?

CVE-2019-18212 primarily affects Xml Language Server Project Xml Server Project. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-18212?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-18212 published?

CVE-2019-18212 was published on 2019-10-23 and last updated on 2026-06-17.

CVE-2019-18212

CVE-2019-18212 is a medium-severity vulnerability in Xml Language Server Project Xml Server Project with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Xml Language Server Project Xml Server Project
Published: 2019-10-23
Last modified: 2026-06-17

Description

XMLLanguageService.java in 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 a remote attacker to write to arbitrary files via Directory Traversal.

Frequently asked questions

What is CVE-2019-18212?: XMLLanguageService.java in 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 a remote attacker to write to arbitrary files via Directory Traversal.
How severe is CVE-2019-18212?: CVE-2019-18212 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-18212 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18212?: CVE-2019-18212 primarily affects Xml Language Server Project Xml Server Project. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18212?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18212 published?: CVE-2019-18212 was published on 2019-10-23 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:xml_language_server_project:xml_server_project:*:*:*:*:*:*:*:*
cpe:2.3:a:eclipse:wild_web_developer:-:*:*:*:*:*:*:*
cpe:2.3:a:theia_xml_extension_project:theia_xml_extension:-:*:*:*:*:*:*:*

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