Stored Cross-Site Scripting Vulnerability in HotelRunner Booking Widget for WordPress
CVE-2025-13135

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Hotelrunner Booking Widget
Vendor
CVE Published:
21 November 2025

What is CVE-2025-13135?

The HotelRunner Booking Widget for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping of user-supplied attributes in the 'hotelrunner' shortcode. Authenticated attackers with contributor-level access can exploit this vulnerability to inject arbitrary web scripts into pages. When users visit these compromised pages, the injected scripts execute, potentially leading to unauthorized actions or data exposure.

Affected Version(s)

HotelRunner Booking Widget * <= 5.2.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/hotelrunner/#developers

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mohamed amine Ouamar
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