CVE-2023-51520 WordPress Booking Calendar Plugin < 9.7.4 is vulnerable to Cross Site Scripting (XSS)

What is CVE-2023-51520?

CVE-2023-51520 is a medium-severity cross-site scripting vulnerability in WPdevelop / Oplugins WP Booking Calendar, published on 1 Feb 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPdevelop / Oplugins WP Booking Calendar allows Stored XSS.This issue affects WP Booking Calendar: from n/a before 9.7.4.

Weakness: CWE-79

Which versions are affected by CVE-2023-51520?

It affects 1 product.

Products include Wpbookingcalendar Booking Calendar.

How do I fix CVE-2023-51520?

No fix has been published for CVE-2023-51520 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-51520 being exploited?

There is no known exploitation of CVE-2023-51520 in the wild and no public exploit code.

Other vulnerabilities in WPdevelop / Oplugins WP Booking Calendar

• CVE-2024-1207 Booking Calendar <= 9.9 - Unauthenticated SQL Injection Critical 9.8
• CVE-2024-6930 WP Booking Calendar <= 10.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via bookingform Shortcode Medium 6.4
• CVE-2023-4620 Booking Calendar < 9.7.3.1 - Unauthenticated Stored XSS Medium 6.1
• CVE-2022-33177 WordPress Booking Calendar plugin <= 9.2.1 - Cross-Site Request Forgery (CSRF) vulnerabiulity Medium 5.4
• CVE-2024-13821 WP Booking Calendar <= 10.10 - Unauthenticated Post-Confirmation Booking Manipulation Medium 5.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-52rw-98p2-v2g3.