CVE-2015-4633

Multiple SQL injection vulnerabilities in Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, 3.18...

9.8 CriticalPublic exploit

Multiple SQL injection vulnerabilities in Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, 3.18.x before 3.18.08, and 3.20.x before 3.20.1 allow (1) remote attackers to execute arbitrary SQL commands via the number parameter to opac-tags_subject.pl in the OPAC interface or (2) remote authenticated users to execute arbitrary SQL commands via the Filter or (3) Criteria parameter to reports/borrowers_out.pl in the Staff interface.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

6.07%Up 1.7 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2015-4633
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-89
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-4633
Updated: 2026-11-02

EUVDEUVD-2015-4652 No score

Record: EUVD-2015-4652
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xv5q-r8xx-69mw 9.8

Multiple SQL injection vulnerabilities in Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, 3.18...

Record: GHSA-xv5q-r8xx-69mw
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

Affected products

koha

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Koha 3.20.1 - Multiple SQL Injections	2015-06-26

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-4633 is a critical vulnerability (CVSS 9.8) in Koha, published October 18, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.07%, the 93rd percentile. No source names a fixed version.

References

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