CVE-2018-1000669: Koha

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

KOHA Library System version 16.11.x (up until 16.11.13) and 17.05.x (up until 17.05.05) contains a Cross Site Request Forgery (CSRF) vulnerability in /cgi-bin/koha/members/paycollect.pl Parameters affected: borrowernumber, amount, amountoutstanding, paid that can result in Attackers can mark payments as paid for certain users on behalf of Administrators. This attack appear to be exploitable via The victim must be socially engineered into clicking a link, usually via email. This vulnerability appears to have been fixed in 17.11.

Affected products

• Koha Koha: from 16.11.0, up to and including 16.11.13; from 17.05.0, up to and including 17.05.05

Published 2018-09-06. Last modified 2026-06-17.