The post-pay-counter plugin before 2.731 for WordPress has PHP Object Injection.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
Link | Tags |
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https://wordpress.org/plugins/post-pay-counter/#developers | release notes |