Client Invoicing by Sprout Invoices < 20.8.16 - Subscriber+ Private Note Overwrite via si_edit_private_note
Summary
| CVE | CVE-2026-87797 |
|---|---|
| State | PUBLISHED |
| Assigner | WPScan |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-12 06:16:27 UTC |
| Updated | 2026-09-12 16:16:42 UTC |
| Description | The Sprout Invoices WordPress plugin before 20.8.16 does not perform a capability or ownership check before allowing a private note to be overwritten through one of its AJAX actions, allowing any authenticated user such as a subscriber to overwrite private notes on records belonging to other users. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from ADP
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.001320000 probability, percentile 0.031040000 (date 2026-09-12)
Problem Types: CWE-862 | CWE-862 Missing Authorization | CWE-862 CWE-862 Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Unknown | Sprout Invoices | affected 20.8.16 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wpscan.com/vulnerability/ded55e47-568d-4702-b043-4707e4182a09 | [email protected] | wpscan.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Usama Arshad (en)
CNA: WPScan (en)
There are currently no legacy QID mappings associated with this CVE.