What’s Vulnerable › Vulnerabilities

CVE-2024-52807: XXE vulnerability in XSLT parsing in `org.hl7.fhir.publisher`

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-24 · updated 2026-06-17
• Weakness: CWE-611

Description

The HL7 FHIR IG publisher is a tool to take a set of inputs and create a standard FHIR IG. Prior to version 1.7.4, XSLT transforms performed by various components are vulnerable to XML external entity injections. A processed XML file with a malicious DTD tag `( ]>` could produce XML containing data from the host system. This impacts use cases where org.hl7.fhir.publisher is being used to within a host where external clients can submit XML. A previous release provided an incomplete solution revealed by new testing. This issue has been patched as of version 1.7.4. No known workarounds are available.

Affected products

• HL7 fhir-ig-publisher: before 1.7.4

References

• https://github.com/HL7/fhir-ig-publisher/commit/3560de2f486d688a3ddcf4aa54d8bdacea380c3d
• https://github.com/HL7/fhir-ig-publisher/compare/1.7.3...1.7.4
• https://github.com/HL7/fhir-ig-publisher/security/advisories/GHSA-8c3x-hq82-gjcm

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