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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| horizon | pip | < 8.0.0a0 | 8.0.0a0 |
The vulnerability stems from improper output encoding in the log viewer's refresh mechanism. The commit 7f8c788 shows the fix changed from using .html(response_body) to .text(response_body), indicating the original code directly injected raw HTML without sanitization. This matches the XSS pattern described in CVE-2012-2094 where attacker-controlled input from guest consoles could execute scripts via the log viewer.
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