What’s Vulnerable › Vulnerabilities

CVE-2022-4034: Appointment Hour Booking <= 1.3.72 - CSV Injection

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-29 · updated 2026-06-17
• Weakness: CWE-1236

Description

The Appointment Hour Booking Plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 1.3.72. This makes it possible for unauthenticated attackers to embed untrusted input into content during booking creation that may be exported as a CSV file when a site's administrator exports booking details. This can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

Affected products

• codepeople Appointment Hour Booking – Booking Calendar: through 1.3.72

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2803896%40appointment-hour-booking&new=2803896%40appointment-hour-booking&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b3a77b7a-65ad-4334-99c9-92cc79e60bee?source=cve
• https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4034
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2803896%40appointment-hour-booking&new=2803896%40appointment-hour-booking&sfp_email=&sfph_mail=
• https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4034

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