Critical severity · published Dec 18, 2025
CVE-2025-64227
WordPress Client Invoicing by Sprout Invoices plugin <= 20.8.7 - PHP Object Injection vulnerability
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
Client Invoicing by Sprout Invoices · BoldGrid
through 20.8.7 · source: vendor
Affected product
CI
Client Invoicing by Sprout Invoices
BoldGrid
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64227
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64227
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
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