WpStream Plugin up to 4.11.2 on WordPress authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in WpStream Plugin up to 4.11.2 on WordPress. This issue affects some unknown processing. Performing a manipulation results in authorization. This vulnerability is known as CVE-2026-39526. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in WpStream Plugin up to 4.11.2 on WordPress. This affects some unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Authorization Bypass Through User-Controlled Key vulnerability in wpstream WpStream wpstream allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WpStream: from n/a through < 4.11.2.

The weakness was published by Muhammad Sharief. The advisory is shared at patchstack.com. This vulnerability is uniquely identified as CVE-2026-39526 since 04/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.11.2 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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
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: WpStream Plugin 4.11.2

Timelineinfo

04/07/2026 CVE reserved
04/08/2026 +1 days Advisory disclosed
04/08/2026 +0 days VulDB entry created
04/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Muhammad Sharief
Status: Confirmed

CVE: CVE-2026-39526 (🔒)
GCVE (CVE): GCVE-0-2026-39526
GCVE (VulDB): GCVE-100-356085

Entryinfo

Created: 04/08/2026 11:30
Changes: 04/08/2026 11:30 (55)
Complete: 🔍
Cache ID: 216:FC7:103

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

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