CVE-2018-16159

CRITICALNVD 9.89.8—Elevated

9.8

The Gift Vouchers plugin through 2.0.1 for WordPress allows SQL Injection via the template_id parameter in a wp-admin/admin-ajax.php wpgv_doajax_front_template request.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 98.8%
KEV: Not listed

Published

August 30, 2018

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 5, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

WordPress Plugin Gift Voucher 1.0.5 - (Authenticated) 'template_id' SQL Injection - PHP webapps Exploit

https://www.exploit-db.com/exploits/45255/

Weakness Classification(1)

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

CWE-89SQL Injection

Data Freshness Timeline

(refreshed 8× in last 7d / 47× 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.

2026-06-25 13:47 UTCEPSS rescore
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2026-06-06 13:45 UTCEPSS rescore
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2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 03:39 UTCEG score recompute
2026-05-28 03:39 UTCGHSA enrichment
2026-05-27 13:38 UTCEPSS rescore
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2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-23 16:35 UTCOSV refresh

Publicly available exploits

(1 reference)

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

Nucleihttp/cves/2018/CVE-2018-16159.yaml
First seen Jan 1, 2018
WordPress Gift Voucher <4.1.8 - Blind SQL Injection
Open source ↗

Frequently asked(5)

What is CVE-2018-16159?

CVE-2018-16159 is a critical vulnerability published on August 30, 2018. The Gift Vouchers plugin through 2.0.1 for WordPress allows SQL Injection via the templateid parameter in a wp-admin/admin-ajax.php wpgvdoajaxfronttemplate request.

When was CVE-2018-16159 disclosed?

CVE-2018-16159 was first published in the National Vulnerability Database on August 30, 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-2018-16159 actively exploited?

CVE-2018-16159 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-16159?

CVE-2018-16159 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-16159?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-16159, 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.

Dependency Blast Radius

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CVE-2018-16159

📅 Published

🔄 Last Modified

📋 Advisory Details (1)