PT-2021-16184 · WordPress · Appointment Hour Booking

Asif Nawaz Minhas · Published 2021-10-04 · Updated 2021-10-08 · CVE-2021-24673

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Appointment Hour Booking WordPress plugin versions prior to 1.3.16

Description The issue allows high privilege users to perform Stored Cross-Site Scripting attacks due to the plugin not escaping some of the Calendar Form settings, even when the unfiltered html capability is disallowed.

Recommendations For versions prior to 1.3.16, update to version 1.3.16 or later to resolve the issue. As a temporary workaround, consider restricting access to the Calendar Form settings to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24673

Affected Products

Appointment Hour Booking

References · 4

• 🔥 https://wpscan.com/vulnerability/75a67932-d831-4dfb-a70d-a07650eaa755 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24673 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24673 · Vendor Advisory
• https://t.me/cibsecurity/29865 · Telegram Post