Asaas Gateway for WooCommerce Plugin up to 2.7.7 on WordPress Payment Webhook improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.82

Summaryinfo

A vulnerability identified as problematic has been detected in Asaas Gateway for WooCommerce Plugin up to 2.7.7. Affected by this vulnerability is an unknown functionality of the component Payment Webhook. The manipulation leads to improper authentication. This vulnerability is traded as CVE-2026-87974. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Asaas Gateway for WooCommerce Plugin up to 2.7.7. It has been rated as problematic. This issue affects some unknown functionality of the component Payment Webhook. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is integrity. The summary by CVE is:

The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 does not properly authenticate its payment webhook, accepting an empty access token in its default configuration and not verifying that the confirmed payment corresponds to the order it marks paid, allowing unauthenticated attackers to mark arbitrary orders as paid.

The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2026-87974 since 09/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.7.8 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Asaas Gateway for WooCommerce Plugin 2.7.8

Timelineinfo

09/09/2026 CVE reserved
10/14/2026 +35 days Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2026-87974 (🔒)
GCVE (CVE): GCVE-0-2026-87974
GCVE (VulDB): GCVE-100-419309

Entryinfo

Created: 10/14/2026 09:05
Changes: 10/14/2026 09:05 (55)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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