Vulnerability CVE-2017-16949


Published: 2017-12-18   Modified: 2017-12-19

Description:
An issue was discovered in the AccessKeys AccessPress Anonymous Post Pro plugin through 3.1.9 for WordPress. Improper input sanitization allows the attacker to override the settings for allowed file extensions and upload file size, related to inc/cores/file-uploader.php and file-uploader/file-uploader-class.php. This allows the attacker to upload anything they want to the server, as demonstrated by an action=ap_file_upload_action&allowedExtensions[]=php request to /wp-admin/admin-ajax.php that results in a .php file upload and resultant PHP code execution.

See advisories in our WLB2 database:
Topic
Author
Date
High
Accesspress Anonymous Post Pro Unauthenticated Arbitrary File Upload
Colette Chamberl...
13.12.2017

Type:

CWE-434

(Unrestricted Upload of File with Dangerous Type)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Accesspressthemes -> Anonymous post pro 

 References:
http://packetstormsecurity.com/files/145398/Accesspress-Anonymous-Post-Pro-Unauthenticated-Arbitrary-File-Upload.html
https://wpvulndb.com/vulnerabilities/8977
https://www.exploit-db.com/exploits/43324/

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