CSRF in Koha

CVE-2018-1000669

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-1000669: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-1000669?
CVE-2018-1000669 is a high-severity vulnerability in Koha, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-09-06.
How severe is CVE-2018-1000669?
High severity. CVSS v3 base score is 8.8 out of 10.