๐Ÿ” CVE Alert

CVE-2025-8591

MEDIUM 6.1

Reflected Cross-Site Scripting via URL Parameter in Multiple WSO2 Products Enables UI Modification

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor wso2
Product wso2 identity server
Published Jul 6, 2026
Last Updated Jul 6, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

WSO2 / WSO2 Identity Server
5.10.0 < 5.10.0.381 5.10.0 < 5.10.0.384 6.0.0 < 6.0.0.255 7.0.0 < 7.0.0.131 7.1.0 < 7.1.0.21 7.1.0 < 7.1.0.51
WSO2 / WSO2 API Manager
3.1.0 < 3.1.0.355 3.2.0 < 3.2.0.459 3.2.1 < 3.2.1.78 4.0.0 < 4.0.0.380 4.1.0 < 4.1.0.243 4.2.0 < 4.2.0.183 4.3.0 < 4.3.0.94 4.4.0 < 4.4.0.58 4.5.0 < 4.5.0.43 4.6.0 < 4.6.0.7
WSO2 / WSO2 API Control Plane
4.5.0 < 4.5.0.44 4.6.0 < 4.6.0.8
WSO2 / WSO2 Traffic Manager
4.5.0 < 4.5.0.42 4.6.0 < 4.6.0.7
WSO2 / WSO2 Universal Gateway
4.5.0 < 4.5.0.42 4.6.0 < 4.6.0.7
WSO2 / WSO2 Open Banking AM
2.0.0 < 2.0.0.404
WSO2 / WSO2 Identity Server as Key Manager
5.10.0 < 5.10.0.375
WSO2 / WSO2 Open Banking IAM
2.0.0 < 2.0.0.424

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
security.docs.wso2.com: https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4343/