Reverse Tabnabbing via New Tab Navigation in Multiple WSO2 Products Allows Phishing and Credential Theft

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-3096
StatePUBLISHED
AssignerWSO2
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-10 21:17:27 UTC
Updated2026-09-18 19:13:15 UTC
DescriptionThe product's web portals allow external links to be opened in a new browser tab. In certain configurations, the originating window retains access to the newly opened page, allowing interaction between the two browser contexts when navigating to external destinations. This vulnerability could allow an attacker to manipulate the original trusted application window after a user clicks a malicious external link. This manipulation can lead to users being redirected to phishing pages, enabling credential theft, or facilitating other unauthorized actions within the context of the trusted site.

Risk And Classification

Primary CVSS: v3.1 4.7 MEDIUM from ed10eef1-636d-4fbe-9993-6890dfa878f8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

EPSS: 0.002100000 probability, percentile 0.114500000 (date 2026-09-21)

Problem Types: CWE-20 | CWE-603 | CWE-20 CWE-20: Improper Input Validation | CWE-603 CWE-603: Use of Client-Side Access Control

VersionSourceTypeScoreSeverityVector
3.1ed10eef1-636d-4fbe-9993-6890dfa878f8Secondary4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
3.1CNACVSS4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WSO2 WSO2 API Control Plane affected 4.5.0 4.5.0.54 custom Not specified
CNA WSO2 WSO2 API Control Plane affected 4.6.0 4.6.0.18 custom Not specified
CNA WSO2 WSO2 API Manager unknown 3.2.0 custom Not specified
CNA WSO2 WSO2 API Manager affected 3.2.0 3.2.0.468 custom Not specified
CNA WSO2 WSO2 API Manager affected 3.2.1 3.2.1.87 custom Not specified
CNA WSO2 WSO2 API Manager affected 4.1.0 4.1.0.252 custom Not specified
CNA WSO2 WSO2 API Manager affected 4.2.0 4.2.0.192 custom Not specified
CNA WSO2 WSO2 API Manager affected 4.3.0 4.3.0.103 custom Not specified
CNA WSO2 WSO2 API Manager affected 4.4.0 4.4.0.67 custom Not specified
CNA WSO2 WSO2 API Manager affected 4.5.0 4.5.0.52 custom Not specified
CNA WSO2 WSO2 API Manager affected 4.6.0 4.6.0.16 custom Not specified

References

ReferenceSourceLinkTags
security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO... ed10eef1-636d-4fbe-9993-6890dfa878f8 security.docs.wso2.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5164/#solution

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