XWiki Solr Exploit Grants Remote Code Execution

On Aug. 2, 2025, a HackTheBox 'Editor' writeup demonstrates exploiting an unauthenticated Groovy injection in XWiki's Solr search to obtain remote code execution on port 8080. The operator extracts database credentials from XWiki's Hibernate configuration to pivot to a user account, enumerates localhost services, and abuses an outdated NetData ndsudo PATH-injection vulnerability to achieve root on the Linux host.
Key Points
- 1Exploit uses unauthenticated XWiki Solr Groovy injection to achieve remote code execution on port 8080.
- 2Leverages Hibernate config to retrieve database credentials enabling lateral pivot to user accounts and privilege escalation.
- 3Enumerates localhost services to find vulnerable NetData ndsudo leading to PATH injection and root compromise.
Scoring Rationale
Actionable and credible exploitation chain with clear steps; limited novelty and scope to a single vulnerable host.
Sources
Public references used for this report.
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