CVE-2019-11223
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 8.76% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- supportcandy/supportcandy
- Source
- cve@mitre.org
EPSS moved from 6.7% on 21 September 2026 to 8.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://cert.kalasag.com.ph/news/research/vulnerable-wordpress-plugin-lets-you-take-over-websites/Exploit, Third Party Advisory
- https://wordpress.org/plugins/supportcandy/#developersProduct, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9488
- https://www.pluginvulnerabilities.com/2019/04/05/arbitrary-file-upload-vulnerability-in-supportcandy/Exploit, Third Party Advisory
- https://cert.kalasag.com.ph/news/research/vulnerable-wordpress-plugin-lets-you-take-over-websites/Exploit, Third Party Advisory
- https://wordpress.org/plugins/supportcandy/#developersProduct, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9488
- https://www.pluginvulnerabilities.com/2019/04/05/arbitrary-file-upload-vulnerability-in-supportcandy/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.