What is CVE-2025-10503?

CVE-2025-10503 is a medium-severity vulnerability in Wso2 Identity_server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-29.

How severe is CVE-2025-10503?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Wso2 Identity_server

CVE-2025-10503

The authentication endpoint accepts user-supplied input without enforcing expected validation constraints, leading to a lack of proper output encoding. This allows for the injection of malicious JavaScript payloads, enabling reflected cros…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wso2 Identity_server
Wso2 Identity Server — versions 7.1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ed10eef1-636d-4fbe-9993-6890dfa878f8 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-10503?: CVE-2025-10503 is a medium-severity vulnerability in Wso2 Identity_server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-29.
How severe is CVE-2025-10503?: Medium severity. CVSS v3 base score is 6.1 out of 10.