XSS in Koha

CVE-2018-1000670

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Koha
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1000670?
CVE-2018-1000670 is a medium-severity vulnerability in Koha, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-06.
How severe is CVE-2018-1000670?
Medium severity. CVSS v3 base score is 6.1 out of 10.