The authentication endpoint does not properly encode user-supplied input before rendering it within the web page. This lack of output encoding allows an attacker to inject malicious JavaScript payloads into the authentication flow, which are then executed by the victim's browser.

By exploiting this vulnerability, an attacker can redirect the user's browser to a malicious website, modify the content of the web page displayed to the user, or exfiltrate information from the browser. However, due to the implementation of the httpOnly flag on session-related sensitive cookies, session hijacking and similar attacks are not possible.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0017.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WSO2 WSO2 API Control Plane unaffected
Version Status Constraints
4.5.0 affected < 4.5.0.11
WSO2 WSO2 API Manager unaffected
Version Status Constraints
0 unknown < 3.2.0
3.2.0 affected < 3.2.0.430
3.2.1 affected < 3.2.1.50
4.1.0 affected < 4.1.0.212
4.2.0 affected < 4.2.0.150
4.3.0 affected < 4.3.0.63
4.4.0 affected < 4.4.0.26
4.5.0 affected < 4.5.0.10
WSO2 WSO2 Identity Server unaffected
Version Status Constraints
0 unknown < 5.10.0
5.10.0 affected < 5.10.0.359
5.11.0 affected < 5.11.0.404
6.0.0 affected < 6.0.0.237
6.1.0 affected < 6.1.0.234
7.0.0 affected < 7.0.0.107
7.1.0 affected < 7.1.0.12

No data.

No data.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4217/#solution

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4217/ cve-icon cve-icon
History

Tue, 03 Nov 2026 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Wso2 api Control Plane
Wso2 api Manager
Wso2 identity Server
Vendors & Products Wso2 api Control Plane
Wso2 api Manager
Wso2 identity Server

Tue, 03 Nov 2026 06:30:00 +0000

Type Values Removed Values Added
Description The authentication endpoint does not properly encode user-supplied input before rendering it within the web page. This lack of output encoding allows an attacker to inject malicious JavaScript payloads into the authentication flow, which are then executed by the victim's browser. By exploiting this vulnerability, an attacker can redirect the user's browser to a malicious website, modify the content of the web page displayed to the user, or exfiltrate information from the browser. However, due to the implementation of the httpOnly flag on session-related sensitive cookies, session hijacking and similar attacks are not possible.
Title Reflected Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Allows Browser Redirection and UI Modification
First Time appeared Wso2
Wso2 wso2 Api Control Plane
Wso2 wso2 Api Manager
Wso2 wso2 Identity Server
Weaknesses CWE-79
CPEs cpe:2.3:a:wso2:wso2_api_control_plane:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*
Vendors & Products Wso2
Wso2 wso2 Api Control Plane
Wso2 wso2 Api Manager
Wso2 wso2 Identity Server
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WSO2

Published:

Updated: 2026-11-03T06:11:52.652Z

Reserved: 2025-06-06T03:12:09.057Z

Link: CVE-2025-5769

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-03T07:17:41.527

Modified: 2026-11-03T16:16:57.587

Link: CVE-2025-5769

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T07:45:06Z

Weaknesses