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.
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History
Mon, 20 Oct 2025 20:00:00 +0000
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ssvc
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Mon, 20 Oct 2025 13:30:00 +0000
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Wordpress
Wordpress wordpress |
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Wordpress
Wordpress wordpress |
Sat, 18 Oct 2025 03:45:00 +0000
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| Description | 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. | |
| Title | Appointments <= 2.2.1 - Unauthenticated PHP Object Injection | |
| Weaknesses | CWE-502 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published: 2025-10-18T03:33:24.194Z
Updated: 2025-10-20T16:32:56.505Z
Reserved: 2025-10-17T15:00:24.290Z
Link: CVE-2017-20206
Updated: 2025-10-20T16:32:51.560Z
Status : Awaiting Analysis
Published: 2025-10-18T04:15:43.243
Modified: 2025-10-21T19:31:50.020
Link: CVE-2017-20206
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