Media File Manager Plugin 1.4.2 on WordPress wp-admin/admin-ajax.php mrelocator_getdir cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Media File Manager Plugin 1.4.2 on WordPress. This affects the function mrelocator_getdir of the file wp-admin/admin-ajax.php. This manipulation of the argument dir causes cross site scripting. This vulnerability appears as CVE-2018-19041. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Media File Manager Plugin 1.4.2 on WordPress (WordPress Plugin). It has been declared as problematic. Affected by this vulnerability is the function mrelocator_getdir of the file wp-admin/admin-ajax.php. The manipulation of the argument dir with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

The Media File Manager plugin 1.4.2 for WordPress allows XSS via the dir parameter of an mrelocator_getdir action to the wp-admin/admin-ajax.php URI.

The bug was discovered 05/11/2018. The weakness was presented 01/31/2019 as EDB-ID 45809 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2018-19041 since 11/06/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 265 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:wp-admin/admin-ajax.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45809). See VDB-130362, VDB-130364 and VDB-130365 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Media File Manager Plugin

Version

• 1.4.2

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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