CVE-2026-1838
Hostel <= 1.1.6 - Reflected Cross-Site Scripting via 'shortcode_id' Parameter
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.1
Hostel <= 1.1.6 - Reflected Cross-Site Scripting via 'shortcode_id' Parameter
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.
- Record
CVE-2026-1838- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-23624
6.1
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.
- Record
EUVD-2026-23624- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jxx9-cx33-fcm4
6.1
The Hostel plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ...
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.
- Record
GHSA-jxx9-cx33-fcm4- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
6.1
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.
- Record
CVE-2026-1838- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-1838 is a medium vulnerability (CVSS 6.1) in Prasunsen Hostel, published April 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/2b9da491-771a-4100-b41a-7411981dd34b?source=cve
plugins.trac.wordpress.org/browser/hostel/trunk/hostel.php
plugins.trac.wordpress.org/browser/hostel/tags/1.1.6/hostel.php
plugins.trac.wordpress.org/browser/hostel/trunk/controllers/ajax.php
plugins.trac.wordpress.org/browser/hostel/tags/1.1.6/controllers/ajax.php
plugins.trac.wordpress.org/browser/hostel/trunk/views/partial/rooms-table.html.php
Show 5 moreShow less
plugins.trac.wordpress.org/browser/hostel/tags/1.1.6/views/partial/rooms-table.html.php
plugins.trac.wordpress.org/changeset/3478265/hostel/trunk/hostel.php
plugins.trac.wordpress.org/changeset?old_path=%2Fhostel/tags/1.1.6&new_path=%2Fhostel/tags/1.1.7
nvd.nist.gov/vuln/detail/CVE-2026-1838
github.com/advisories/GHSA-jxx9-cx33-fcm4