CVE-2026-66447: WordPress File Upload · SQL Injection
Affects WordPress File UploadSource CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| nickbossWordPress File Upload | Affected
| Fixed in– |
AI-suggested
Until a fix is available, consider disabling or restricting access to the affected plugin to mitigate risk.
Description
CVE-2026-66447 is a critical unauthenticated SQL Injection vulnerability affecting the nickboss WordPress File Upload plugin versions up to and including 5.1.7. This flaw allows remote attackers to inject SQL commands without authentication, potentially leading to high confidentiality impact and limited availability impact. No official patch or remediation guidance has been provided yet.