The Hostel plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'shortcode_id' parameter in all versions up to, and including, 1.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
CVE-2026-1838 is a medium severity with CVSS 6.1 Cross-Site Scripting issue affecting the Plugin Hostel. It affects Versions up to 1.1.6 and is fixed in 1.1.7.
CVE-2026-1838 is tracked for the Plugin Hostel as medium severity with CVSS 6.1. The affected range is Versions up to 1.1.6. Update Hostel to 1.1.7 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
hostel
View on wordpress.org
|
| CVE | CVE-2026-1838 |
| Patched Versions |
1.1.7
|
| Affected Versions |
Versions up to 1.1.6
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Hostel <= 1.1.3 - Stored Cross-Site Scripting
Hostel <= 1.1.5.9 - Reflected Cross-Site Scripting
Hostel <= 1.1.5.7 - Reflected Cross-Site Scripting
Hostel <= 1.1.5.5 - Reflected Cross-Site Scripting
Hostel <= 1.1.5 - Reflected Cross-Site Scripting
Hostel <= 1.1.5.2 - Reflected Cross-Site Scripting
Hostel <= 1.1.5.6 - Authenticated (Administrator+) SQL Injection
Hostel <= 1.1.5.8 - Authenticated (Admin+) Stored Cross-Site Scripting
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