CVE record · CVE-2025-64227

WordPress Client Invoicing by Sprout Invoices plugin <= 20.8.7 - PHP Object Injection vulnerability

CVSS 9.8 CriticalCriticalEPSS 0.0038 · 32nd percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the CVE Program (CNA: Patchstack) at 18 Dec 2025, 07:22 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
BoldGrid	Client Invoicing by Sprout Invoices Package name: sprout-invoices https://wordpress.org/plugins	affected 20.8.7 and earlier custom Other versions: unaffected

Identifiers: CVE-2025-64227
CNA: Patchstack
Weakness (CWE): CWE-502
Tags: BoldGrid Client Invoicing by Sprout Invoices
Insecure deserialization
Published: 18 Dec 2025
Updated: 28 Apr 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (Patchstack)

CISA KEV Not listed.
EPSS 0.0038, the 32nd percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Dec 2025. New records show when each source confirmed them.

Sources

References from the CNA

patchstack.com/database/Wordpress/Plugin/sprout-invoices/vulnerability/wordpress-client-invoicing-by-sprout-invoices-plugin-20-8-7-php-object-injection-vulnerability?_s_id=cve vdb-entry

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.