Stored Cross-Site Scripting Vulnerability in Hostel Plugin for WordPress
CVE-2026-1645

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Hostel
Vendor
CVE Published:
22 September 2026

What is CVE-2026-1645?

The Hostel plugin for WordPress contains a vulnerability allowing Stored Cross-Site Scripting (XSS) through the 'custom_currency' parameter and the 'locale_url' setting. This flaw arises from inadequate input sanitization and output escaping, enabling authenticated users with Administrator-level access to execute arbitrary web scripts on affected pages. Primarily impacting multi-site installations, this vulnerability is particularly concerning for setups where the 'unfiltered_html' capability is disabled, potentially compromising the security of website users.

Affected Version(s)

Hostel 0 <= 1.1.8

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/hostel/tags/1....
https://plugins.trac.wordpress.org/browser/hostel/tags/1....

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bee
.