CVE-2026-66676: Easy Invoice (WordPress plugin) · Missing Authorization
Affects Easy Invoice (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 1 Nov 2026, 22:58 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% 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:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 17 Sep 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 1 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MatrixAddonsEasy Invoice | Affected
| Fixed in– |
AI-suggested
Until an official fix is available, restrict access to Easy Invoice interfaces and monitor for unusual access patterns. Avoid exposing the affected versions to untrusted networks.
Description
Unauthenticated Broken Access Control in Easy Invoice <= 2.3.8 versions.