CVE-2025-64227

CRITICAL 9.8

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

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in BoldGrid Client Invoicing by Sprout Invoices sprout-invoices allows Object Injection.This issue affects Client Invoicing by Sprout Invoices: from n/a through <= 20.8.7.

CWE	CWE-502
Vendor	boldgrid
Product	client invoicing by sprout invoices
Published	Dec 18, 2025
Last Updated	Apr 1, 2026

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Affected Versions

BoldGrid / Client Invoicing by Sprout Invoices

0 ≤ 20.8.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://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

Credits

mcdruid | Patchstack Bug Bounty Program