CVE-2019-11223

CRITICALNVD 9.89.8—Elevated

9.8

An Unrestricted File Upload Vulnerability in the SupportCandy plugin through 2.0.0 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 97.6%
KEV: Not listed

Published

April 18, 2019

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://cert.kalasag.com.ph/news/research/vulnerable-wordpress-plugin-lets-you-take-over-websites/
cve@mitrehttps://wordpress.org/plugins/supportcandy/#developers
cve@mitrehttps://wpvulndb.com/vulnerabilities/9488
cve@mitrehttps://www.pluginvulnerabilities.com/2019/04/05/arbitrary-file-upload-vulnerability-in-supportcandy/
af854a3a-2127-422b-91ae-364da2661108https://cert.kalasag.com.ph/news/research/vulnerable-wordpress-plugin-lets-you-take-over-websites/
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/supportcandy/#developers
af854a3a-2127-422b-91ae-364da2661108https://wpvulndb.com/vulnerabilities/9488
af854a3a-2127-422b-91ae-364da2661108https://www.pluginvulnerabilities.com/2019/04/05/arbitrary-file-upload-vulnerability-in-supportcandy/

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 6× in last 7d / 12× 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.

2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 20:27 UTCEG score recompute
2026-05-27 20:27 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

(1 reference)

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

GitHub PoCAngelCtulhu/CVE-2019-11223
First seen Apr 17, 2019
CVE-2019-11223 - Arbitrary File Upload in Wordpress Support Candy Plugin Version 2.0 Below
Open source ↗

Frequently asked(5)

What is CVE-2019-11223?

CVE-2019-11223 is a critical vulnerability published on April 18, 2019. An Unrestricted File Upload Vulnerability in the SupportCandy plugin through 2.0.0 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension.

When was CVE-2019-11223 disclosed?

CVE-2019-11223 was first published in the National Vulnerability Database on April 18, 2019, 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-2019-11223 actively exploited?

CVE-2019-11223 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-11223?

CVE-2019-11223 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-11223?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-11223, 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-2019-11223

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-11223?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)