How severe is CVE-2018-1000669?

CVE-2018-1000669 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000669?

CVE-2018-1000669 affects Koha. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000669?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1000669 published?

CVE-2018-1000669 was published on 2018-09-06 and last updated on 2026-06-17.

CVE-2018-1000669

CVE-2018-1000669 is a high-severity vulnerability in Koha with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Koha
Published: 2018-09-06
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-1000669?: CVE-2018-1000669 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000669?: CVE-2018-1000669 affects Koha. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000669?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000669 published?: CVE-2018-1000669 was published on 2018-09-06 and last updated on 2026-06-17.

References

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19117

Affected products (1)

cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*

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