CVE-2026-87797

MEDIUM CVSS 3.1: 4.3 EPSS 0.25%
Updated Sep 15, 2026
WordPress
Parameter Value
CVSS 4.3 (MEDIUM)
Affected Versions before 20.8.16
Type CWE-862 Missing Authorization, CWE-862 (Missing Authorization)
Vendor WordPress
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products

unknown:sprout invoices