WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker...

Vulnerability Description

WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has privileges to crop an image) can write the output image to an arbitrary directory via a filename containing two image extensions and ../ sequences, such as a filename ending with the .jpg?/../../file.jpg substring.

References

• https://www.exploit-db.com/exploits/46511/
• https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/
• http://www.securityfocus.com/bid/107089
• http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html
• http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce
• https://www.exploit-db.com/exploits/46662/
• http://packetstormsecurity.com/files/161213/WordPress-5.0.0-Remote-Code-Execution.html