PT-2024-30190 · WordPress · The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin

Krzysztof Zając · Published 2024-05-16 · Updated 2024-05-16 · CVE-2024-4288

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 The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress versions up to, and including, 1.6.7.14

Description The issue is related to Stored Cross-Site Scripting via the link parameter due to insufficient input sanitization and output escaping. This allows authenticated attackers with contributor-level permissions and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Recommendations For versions up to, and including, 1.6.7.14, update to a version that addresses the insufficient input sanitization and output escaping issue to prevent Stored Cross-Site Scripting attacks. As a temporary workaround, consider restricting access to the link parameter to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2024-4288

Affected Products

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin

References · 7

• https://plugins.trac.wordpress.org/changeset/3087297 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-4288 · Security Note
• https://osv.dev/vulnerability/CVE-2024-4288 · Vendor Advisory
• https://wordfence.com/threat-intel/vulnerabilities/id/84262b4a-a662-4aaf-9eae-f5cca8f6cd06?source=cve · Note
• https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/class-shortcodes.php#L677 · Note
• https://twitter.com/VulmonFeeds/status/1791094054043750524 · Twitter Post
• https://t.me/cvenotify/79999 · Telegram Post