PT-2025-47700 · WordPress · Hotelrunner Booking Widget

Published 2025-11-21 · Updated 2025-11-21 · CVE-2025-13135

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions HotelRunner Booking Widget versions up to and including 5.2.4

Description The HotelRunner Booking Widget plugin for WordPress is susceptible to Stored Cross-Site Scripting through the plugin’s ‘hotelrunner’ shortcode. This is due to inadequate input sanitization and output escaping of user-provided attributes. Authenticated attackers with contributor-level access or higher can inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page.

Recommendations Update the HotelRunner Booking Widget plugin to a version later than 5.2.4.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13135

Affected Products

Hotelrunner Booking Widget

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-13135 · Security Note
• https://twitter.com/CVEnew/status/1991776201472684273 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/df2854c4-5d57-4c39-a28f-41dab36a086e?source=cve · Note
• https://t.me/CVEtracker/37912 · Telegram Post
• https://wordpress.org/plugins/hotelrunner/#developers · Note
• https://twitter.com/VulmonFeeds/status/1991806440424485219 · Twitter Post