CVE-2018-1000670: Koha

Medium severity, CVSS 6.1. EPSS: 0.6% 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 Scripting (XSS) vulnerability in Multiple fields on multiple pages including /cgi-bin/koha/acqui/supplier.pl?op=enter , /cgi-bin/koha/circ/circulation.pl?borrowernumber=[number] , /cgi-bin/koha/serials/subscription-add.pl that can result in Privilege escalation by taking control of higher privileged users browser sessions. This attack appear to be exploitable via Victims must be socially engineered to visit a vulnerable webpage containing malicious payload. 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.