CVE-2018-16283

CRITICALNVD 9.89.8—Elevated

9.8

The Wechat Broadcast plugin 1.2.0 and earlier for WordPress allows Directory Traversal via the Image.php url parameter.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 99.0%
KEV: Not listed

Published

September 24, 2018

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jun 6, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

WordPress Plugin Wechat Broadcast 1.2.0 - Local File Inclusion - PHP webapps Exploit

https://www.exploit-db.com/exploits/45438/

generic

Vulnerability Local File Inclusion · Issue #14 · springjk/wordpress-wechat-broadcast · GitHub

https://github.com/springjk/wordpress-wechat-broadcast/issues/14

generic🟡 PoC Available

Full Disclosure: WordPress Plugin Wechat Broadcast 1.2.0 - Local/Remote File Inclusion

http://seclists.org/fulldisclosure/2018/Sep/32

generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/150202

Weakness Classification(1)

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

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 9× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 02:51 UTCEG score recompute
2026-05-28 02:51 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(2 references)

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-45438
First seen Sep 19, 2018
WordPress Plugin Wechat Broadcast 1.2.0 - Local File Inclusion
Open source ↗
Nucleihttp/cves/2018/CVE-2018-16283.yaml
First seen Jan 1, 2018
WordPress Plugin Wechat Broadcast 1.2.0 - Local File Inclusion
Open source ↗

Frequently asked(5)

What is CVE-2018-16283?

CVE-2018-16283 is a critical vulnerability published on September 24, 2018. The Wechat Broadcast plugin 1.2.0 and earlier for WordPress allows Directory Traversal via the Image.php url parameter.

When was CVE-2018-16283 disclosed?

CVE-2018-16283 was first published in the National Vulnerability Database on September 24, 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-2018-16283 actively exploited?

CVE-2018-16283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-16283?

CVE-2018-16283 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-16283?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-16283, 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-2018-16283

📅 Published

🔄 Last Modified

📋 Advisory Details (4)