BoldGrid Client Invoicing by Sprout Invoices Plugin up to 20.8.7 on WordPress deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in BoldGrid Client Invoicing by Sprout Invoices Plugin up to 20.8.7 on WordPress. It has been rated as critical. This affects an unknown function. Performing a manipulation results in deserialization. This vulnerability was named CVE-2025-64227. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in BoldGrid Client Invoicing by Sprout Invoices Plugin up to 20.8.7 on WordPress. This affects an unknown function. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by Mcdruid. It is possible to read the advisory at vdp.patchstack.com. This vulnerability is uniquely identified as CVE-2025-64227 since 10/29/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/21/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-204073). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/29/2025 CVE reserved
12/18/2025 +50 days Advisory disclosed
12/18/2025 +0 days VulDB entry created
01/21/2026 +34 days VulDB entry last update

Sourcesinfo

Advisory: vdp.patchstack.com
Researcher: Mcdruid
Status: Not defined

CVE: CVE-2025-64227 (🔒)
GCVE (CVE): GCVE-0-2025-64227
GCVE (VulDB): GCVE-100-337323
EUVD: 🔒

Entryinfo

Created: 12/18/2025 09:32
Updated: 01/21/2026 22:48
Changes: 12/18/2025 09:32 (54), 01/21/2026 22:48 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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