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Vulnerability record · CVE-2019-11223 · published 18 April 2019

CVE-2019-11223: Supportcandy unrestricted file upload vulnerability

Supportcandy · Supportcandy

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.

9.8 CVSS 3.0 Critical EPSS 8.8% · top 5.0% CWE-434 · Unrestricted file upload
9.8CVSS 3.0 base score, v2 7.5
8.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert.kalasag.com.ph/news/research/vulnerable-wordpress-plugin-lets-you-take-over-websites/ ExploitThird Party Advisory
https://wordpress.org/plugins/supportcandy/#developers ProductThird Party Advisory
https://wpvulndb.com/vulnerabilities/9488
https://www.pluginvulnerabilities.com/2019/04/05/arbitrary-file-upload-vulnerability-in-supportcandy/ ExploitThird Party Advisory
https://cert.kalasag.com.ph/news/research/vulnerable-wordpress-plugin-lets-you-take-over-websites/ ExploitThird Party Advisory
https://wordpress.org/plugins/supportcandy/#developers ProductThird Party Advisory
https://wpvulndb.com/vulnerabilities/9488
https://www.pluginvulnerabilities.com/2019/04/05/arbitrary-file-upload-vulnerability-in-supportcandy/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-1730Supportcandy sql injection vulnerabilityThe SupportCandy WordPress plugin before 3.1.5 does not validate and escape user input before using it in an SQL statement, which could allow unauthe…EPSS 41%8.8CVE-2023-2719Supportcandy vulnerabilityThe SupportCandy WordPress plugin before 3.1.7 does not properly sanitise and escape the `id` parameter for an Agent in the REST API before using it …EPSS 1.2%8.8CVE-2021-24879Supportcandy cross-site request forgery vulnerabilityThe SupportCandy WordPress plugin before 2.2.7 does not have CSRF check in the wpsc_tickets AJAX action, nor has any sanitisation or escaping in some…EPSS 0.61%7.5CVE-2021-24839Supportcandy missing authorization vulnerabilityThe SupportCandy WordPress plugin before 2.2.5 does not have authorisation and CSRF checks in its wpsc_tickets AJAX action, which could allow unauthe…EPSS 1.2%7.2CVE-2023-2805Supportcandy vulnerabilityThe SupportCandy WordPress plugin before 3.1.7 does not properly sanitise and escape the agents[] parameter in the set_add_agent_leaves AJAX function…EPSS 0.85%6.5CVE-2021-24843Supportcandy cross-site request forgery vulnerabilityThe SupportCandy WordPress plugin before 2.2.7 does not have CRSF check in its wpsc_tickets AJAX action, which could allow attackers to make a logged…EPSS 0.53%6.1CVE-2021-24878Supportcandy cross-site scripting vulnerabilityThe SupportCandy WordPress plugin before 2.2.7 does not sanitise and escape the query string before outputting it back in pages with the [wpsc_create…EPSS 1.2%5.4CVE-2021-24880Supportcandy cross-site scripting vulnerabilityThe SupportCandy WordPress plugin before 2.2.7 does not validate and escape the page attribute of its shortcode, which could allow users with a role …EPSS 0.60%

Source: NIST National Vulnerability Database (record CVE-2019-11223), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.