properfraction ProfilePress Plugin up to 4.16.12 on WordPress process_checkout change_plan_sub_id authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.40

Summaryinfo

A vulnerability classified as critical was found in properfraction ProfilePress Plugin up to 4.16.12 on WordPress. The impacted element is the function process_checkout. Executing a manipulation of the argument change_plan_sub_id can lead to authorization. This vulnerability is handled as CVE-2026-4949. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in properfraction ProfilePress Plugin up to 4.16.12 on WordPress and classified as critical. This vulnerability affects the function process_checkout. The manipulation of the argument change_plan_sub_id with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 4.16.12. This is due to the 'process_checkout' function not properly enforcing the plan active status check when a 'change_plan_sub_id' parameter is provided. This makes it possible for authenticated attackers, with Subscriber-level access and above, to subscribe to inactive membership plans by supplying an arbitrary 'change_plan_sub_id' value in the checkout request.

The weakness was released by Supakiad S.. The advisory is available at wordfence.com. This vulnerability was named CVE-2026-4949 since 03/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit.

Upgrading to version 4.16.10 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (Wordfence): 🔒

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
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: ProfilePress Plugin 4.16.10

Timelineinfo

03/27/2026 CVE reserved
04/16/2026 +19 days Advisory disclosed
04/16/2026 +0 days VulDB entry created
04/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Researcher: Supakiad S.
Status: Confirmed

CVE: CVE-2026-4949 (🔒)
GCVE (CVE): GCVE-0-2026-4949
GCVE (VulDB): GCVE-100-357826

Entryinfo

Created: 04/16/2026 06:43
Changes: 04/16/2026 06:43 (67)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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