WordPress plugin
Invoice123 security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 1 known vulnerability is fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium1
- Low0
All Invoice123 vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization to Authenticated (Subscriber+) Setting Modification via s123_submit_api_key & s123_submit_invoice_settings AJAX actions ≤1.7.0Update to 1.7.1 | CVE-2026-9857 |
Invoice123: common questions
Does Invoice123 have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Invoice123: 1 medium. None are known to affect version null.
How do I check which version of Invoice123 I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Invoice123 vulnerability?
CVE-2026-9857, published Jul 9, 2026: Invoice123 <= 1.7.0 - Missing Authorization to Authenticated (Subscriber+) Setting Modification via s123_submit_api_key & s123_submit_invoice_settings AJAX actions. Severity: Medium (CVSS 4.3).
Is any Invoice123 vulnerability listed in CISA KEV?
No. None of the known Invoice123 vulnerabilities is currently listed in the CISA KEV catalog.