CVE-2023-4620

Name: CVE-2023-4620
Creator: NVD / NIST
Published: 2023-10-16T09:15:11.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-4620 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.47%

37.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Wpbookingcalendar	Booking Calendar	< 9.7.3.1

References

https://wpscan.com/vulnerability/084e9494-2f9e-4420-9bf7-78a1a41433d7Exploit, Third Party Advisory
https://wpscan.com/vulnerability/084e9494-2f9e-4420-9bf7-78a1a41433d7Exploit, Third Party Advisory

Timeline

Published: Oct 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4620?

How severe is CVE-2023-4620?

CVE-2023-4620 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4620?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4620?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST