How severe is CVE-2024-13431?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2024-13431 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin

CVE-2024-13431

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (79.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2024-13431?: CVE-2024-13431 is a medium-severity vulnerability in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-03-07.
How severe is CVE-2024-13431?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2024-13431 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.