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The patch modifies HttpServer.java's handlePluginSite method where plugin file requests are handled. The vulnerability stemmed from: 1) Initial insufficient path validation using String.startsWith() without normalization 2) Missing protection against path traversal sequences before file access. The exploit would manifest here as this method processes '_plugin/' URLs, and the added test cases in SitePluginTests.java validate that this was the attack vector. The function signature matches the code location where malicious paths would be processed during exploitation.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| org.elasticsearch:elasticsearch | maven | <= 1.4.4 | 1.4.5 |
| org.elasticsearch:elasticsearch | maven | >= 1.5.0, <= 1.5.1 | 1.5.2 |
Ongoing coverage of React2Shell