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Vulnerability record · CVE-2025-8591 · published 6 July 2026

CVE-2025-8591: Wso2 api control plane cross-site scripting vulnerability

Wso2 · Api Control Plane

The software accepts user-supplied input via a URL parameter without adequate output encoding before reflecting it back to the user's browser. This condition allows an attacker to inject malicious script content into pages served by the application. By leveraging this weakness, an attacker can cause the user's browser to redirect to a malicious website, modify the UI of the webpage, or retrieve information from the browser. However, the impact is mitigated by the use of httpOnly flags on session-related cookies, preventing session hijacking.

6.1 CVSS 3.1 Medium EPSS 0.25% · top 84.7% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
1References
30 Sep 2026Last modified by NVD

Description

The software accepts user-supplied input via a URL parameter without adequate output encoding before reflecting it back to the user's browser. This condition allows an attacker to inject malicious script content into pages served by the application. By leveraging this weakness, an attacker can cause the user's browser to redirect to a malicious website, modify the UI of the webpage, or retrieve information from the browser. However, the impact is mitigated by the use of httpOnly flags on session-related cookies, preventing session hijacking.

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

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4343/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-8591), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.