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3 vulnerabilities found for Appointments by wpmudev

CVE-2017-20206 (GCVE-0-2017-20206)

Vulnerability from nvd – Published: 2025-10-18 03:33 – Updated: 2025-10-20 16:32
VLAI?
Title
Appointments <= 2.2.1 - Unauthenticated PHP Object Injection
Summary
The Appointments plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.2.1 via deserialization of untrusted input from the `wpmudev_appointments` cookie. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
wpmudev Appointments Affected: * , < 2.2.2 (semver)
Create a notification for this product.
Credits
Matt Barry
Show details on NVD website
To clipboard 

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FKIE_CVE-2017-20206

Vulnerability from fkie_nvd - Published: 2025-10-18 04:15 - Updated: 2025-12-23 17:06
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The Appointments plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.2.1 via deserialization of untrusted input from the `wpmudev_appointments` cookie. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.
References
security@wordfence.comhttps://plugins.trac.wordpress.org/changeset/1733186/appointmentsPatch
security@wordfence.comhttps://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/Press/Media Coverage, Third Party Advisory
security@wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/7e8f230e-3f96-4efd-806d-72725b960303?source=cveThird Party Advisory
Impacted products
Vendor Product Version
wpmudev appointments *
To clipboard 

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CVE-2017-20206 (GCVE-0-2017-20206)

Vulnerability from cvelistv5 – Published: 2025-10-18 03:33 – Updated: 2025-10-20 16:32
VLAI?
Title
Appointments <= 2.2.1 - Unauthenticated PHP Object Injection
Summary
The Appointments plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.2.1 via deserialization of untrusted input from the `wpmudev_appointments` cookie. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
wpmudev Appointments Affected: * , < 2.2.2 (semver)
Create a notification for this product.
Credits
Matt Barry
Show details on NVD website
To clipboard 

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