Client Invoicing by Sprout Invoices < 20.8.16 - Subscriber+ Private Note Overwrite via si_edit_private_note
Priority LOW 20CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Sprout Invoices (Unknown): 20.8.16
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Sprout Invoices | before 20.8.16 | 20.8.16 | Patch available | CNA |
- Sprout Invoices VendorUnknown Affected before 20.8.16 Fixed in 20.8.16 Patch available CNA
Remediation
- Fix · CNA Sprout Invoices (Unknown) Fixed in 20.8.16
Timeline
- 2026-10-02 Threatist record created from CVE-2026-87797
- 2026-10-03 Alias added: GHSA-ff5j-g23h-37gw
References
Sources
- CVE-2026-87797 · CVE Program
- CVE-2026-87797 · NVD
- FIRST EPSS
- GHSA-ff5j-g23h-37gw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences