CVE-2021-24673

MEDIUM
Published Oct 4, 20214y ago · Modified Jun 17, 20262w ago
4.8 CVSS 3.1
Medium
Find Similar
Published Oct 4, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

The Appointment Hour Booking WordPress plugin before 1.3.16 does not escape some of the Calendar Form settings, allowing high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

CVSS Details

Base Score
4.8
Exploitability
1.7
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
dwboosterappointment_hour_booking* <1.3.16

References 1

  • wpscan.com https://wpscan.com/vulnerability/75a67932-d831-4dfb-a70d-a07650eaa755
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.