azzaroco Ultimate Membership Pro Plugin up to 13.7 on WordPress authentication bypass

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in azzaroco Ultimate Membership Pro Plugin up to 13.7 on WordPress. It has been declared as critical. This vulnerability affects unknown code. The manipulation results in authentication bypass. This vulnerability was named CVE-2026-25357. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in azzaroco Ultimate Membership Pro Plugin up to 13.7 on WordPress. Affected is some unknown processing. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Authentication Bypass Using an Alternate Path or Channel vulnerability in azzaroco Ultimate Membership Pro indeed-membership-pro allows Authentication Abuse.This issue affects Ultimate Membership Pro: from n/a through <= 13.7.

The weakness was presented by Phat Rio. The advisory is shared for download at patchstack.com. This vulnerability is traded as CVE-2026-25357 since 02/02/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/31/2026).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 8.1
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/02/2026 CVE reserved
03/25/2026 +51 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
03/31/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Phat Rio
Status: Not defined

CVE: CVE-2026-25357 (🔒)
GCVE (CVE): GCVE-0-2026-25357
GCVE (VulDB): GCVE-100-353268

Entryinfo

Created: 03/25/2026 18:54
Updated: 03/31/2026 14:54
Changes: 03/25/2026 18:54 (55), 03/31/2026 14:54 (12)
Complete: 🔍
Cache ID: 216:803:103

Once again VulDB remains the best source for vulnerability data.

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