CVE-2015-4633

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

October 18, 2018

Last Modified

November 21, 2024

Advisory Details (10)

Auto-updated Aug 15, 2026
🔬 Proof of concept available. Patch available.
generic

Researchers of SBA Research found several critical security vulnerabilities in the Koha Library software via Combinatorial Testing – SBA Research

https://www.sba-research.org/2015/06/24/researchers-of-sba-research-found-several-critical-security-vulnerabilities-in-the-koha-library-software-via-combinatorial-testing/
generic Patch Available🟡 PoC Available

Koha 3.20.1 - Multiple SQL Injections - PHP webapps Exploit

https://www.exploit-db.com/exploits/37387/
generic

Full Disclosure: SBA Research Vulnerability Disclosure - Multiple Critical Vulnerabilities in Koha ILS

https://seclists.org/fulldisclosure/2015/Jun/80
generic

Locked Out | Packet Storm

https://packetstormsecurity.com/files/132458/Koha-ILS-3.20.x-CSRF-XSS-Traversal-SQL-Injection.html
generic

Security Release – Koha 3.20.1 – Official Website of Koha Library Software

https://koha-community.org/security-release-koha-3-20-1/
generic

Security Release – Koha 3.18.8 – Official Website of Koha Library Software

https://koha-community.org/security-release-koha-3-18-8/
generic

Security Release – Koha 3.16.12 – Official Website of Koha Library Software

https://koha-community.org/security-release-koha-3-16-12/
generic

Koha 3.14.16 released – Official Website of Koha Library Software

https://koha-community.org/koha-3-14-16-released/
generic

14426 – [CVE-2015-4633] SQL Injection in Staff Client

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14426
generic

14412 – [CVE-2015-4633] SQL Injection in OPAC Interface

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14412

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-08-20 22:50 UTCEPSS rescore
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  69. 2026-05-28 01:50 UTCGHSA enrichment
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-37387
    First seen Jun 26, 2015

    Koha 3.20.1 - Multiple SQL Injections

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2015-4633?
CVE-2015-4633 is a critical vulnerability published on October 18, 2018. 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-tagssubject.pl in the OPAC interface or (2) remote authenticated…
When was CVE-2015-4633 disclosed?
CVE-2015-4633 was first published in the National Vulnerability Database on October 18, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-4633 actively exploited?
CVE-2015-4633 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 7.2% of all scored CVEs.
What is the CVSS score of CVE-2015-4633?
CVE-2015-4633 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2015-4633?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-4633, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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