Threat intelligence

Hostel <= 1.1.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'wphostel-book' Shortcode

CVE-2026-3907 · hostel

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Hostel at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Hostel <= 1.1.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'wphostel-book' Shortcode
Affected software: hostel(Plugin)
Affected versions: ≤ 1.1.7
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-3907
Published: 9 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 30339c0d-6632-4073-b4d5-3bb4a5b8a58d). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Hostel version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Hostel advisoriesBack to catalog