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CVE-2025-5769

Reflected Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Allows Browser Redirection and UI Modification

Medium6.1EPSS 0.17%
Published
Updated
Reserved
Assigned by
WSO2

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.

Scores

CVSS scores of CVE-2025-5769, by who scored it
Scored byCVSSScoreVector
WSO2CNA (assigner)3.1Medium6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVDNVD · Awaiting Analysis3.1Medium6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.17% · top 94% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.

Weakness

Affected products

  • WSO2 · WSO2 API Control Plane

    • affected 4.5.0 – < 4.5.0.11

  • WSO2 · WSO2 API Manager

    • unknown < 3.2.0
    • affected 3.2.0 – < 3.2.0.430
    • affected 3.2.1 – < 3.2.1.50
    • affected 4.1.0 – < 4.1.0.212
    • affected 4.2.0 – < 4.2.0.150
    • affected 4.3.0 – < 4.3.0.63
    • affected 4.4.0 – < 4.4.0.26
    • affected 4.5.0 – < 4.5.0.10

  • WSO2 · WSO2 Identity Server

    • unknown < 5.10.0
    • affected 5.10.0 – < 5.10.0.359
    • affected 5.11.0 – < 5.11.0.404
    • affected 6.0.0 – < 6.0.0.237
    • affected 6.1.0 – < 6.1.0.234
    • affected 7.0.0 – < 7.0.0.107
    • affected 7.1.0 – < 7.1.0.12

What to do

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

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .