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WP Live Chat Support Pro <= 8.0.26 - Arbitrary File Upload
| CVE | CVE-2019-11185 |
|---|---|
| CVSS | 9.8 (Critical) |
| Publicly Published | May 7, 2019 |
| Last Updated | January 22, 2024 |
| Researcher |
Alert Logic
|
Description
The WP Live Chat Support Pro plugin through 8.0.26 for WordPress contains an arbitrary file upload vulnerability. This results from an incomplete patch for CVE-2018-12426. Arbitrary file upload is achieved by using a non-blacklisted executable file extension in conjunction with a whitelisted file extension, and prepending "magic bytes" to the payload to pass MIME checks. Specifically, an unauthenticated remote user submits a crafted file upload POST request to the REST api remote_upload endpoint. The file contains data that will fool the plugin's MIME check into classifying it as an image (which is a whitelisted file extension) and finally a trailing .phtml file extension.
References
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Vulnerability Details for wp-live-chat-support-pro
| Software Type | Plugin |
|---|---|
| Software Slug | wp-live-chat-support-pro |
| Patched? | Yes |
| Remediation | Update to version 8.0.27, or a newer patched version |
| Affected Version |
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| Patched Version |
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