Easy PayPal & Stripe Buy Now Button Plugin up to 2.0.5 on WordPress external control of assumed-immutable web parameter

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.87-

Summaryinfo

A vulnerability marked as problematic has been reported in Easy PayPal & Stripe Buy Now Button Plugin up to 2.0.5. The impacted element is an unknown function. This manipulation causes external control of assumed-immutable web parameter. The identification of this vulnerability is CVE-2026-90987. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Easy PayPal & Stripe Buy Now Button Plugin up to 2.0.5 and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a external control of assumed-immutable web parameter vulnerability. The CWE definition for the vulnerability is CWE-472. The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields. As an impact it is known to affect integrity. The summary by CVE is:

The Easy PayPal & Stripe Buy Now Button WordPress plugin before 2.0.6 does not derive the payment amount on the server, taking it from a client-supplied field, so an unauthenticated attacker sets an arbitrary lower price for a purchase.

The advisory is shared at wpscan.com. This vulnerability is known as CVE-2026-90987 since 09/14/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.0.6 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (WPScan): 🔒

CVSSv2info

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

Exploitinginfo

Class: External control of assumed-immutable web parameter
CWE: CWE-472
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: Easy PayPal & Stripe Buy Now Button Plugin 2.0.6

Timelineinfo

09/14/2026 CVE reserved
10/02/2026 +18 days Advisory disclosed
10/02/2026 +0 days VulDB entry created
10/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2026-90987 (🔒)
GCVE (CVE): GCVE-0-2026-90987
GCVE (VulDB): GCVE-100-412969

Entryinfo

Created: 10/02/2026 09:27
Changes: 10/02/2026 09:27 (63)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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