CVE-2025-10503Network attack vector

Reflected XSS via unencoded iProov token

Published Apr 29, 2026 · Updated Apr 29, 2026

Reflected XSS in WSO2 Identity Server 7.1.0 before 7.1.0.28 allows remote attackers to run JavaScript via a crafted iProov token. The iproovlogin.jsp authentication page inserts the token into a component attribute without HTML encoding, allowing attacker-controlled markup to enter the response. Exploitation requires a user to load the crafted authentication response; scripts can redirect the browser, alter the page, or read browser data, but httpOnly session cookies prevent session hijacking.

CVSS severity6.1
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in WSO2 Identity Server 7.1.0 before 7.1.0.28 allows remote attackers to run JavaScript via a crafted iProov token. The iproovlogin.jsp authentication page inserts the token into a component attribute without HTML encoding, allowing attacker-controlled markup to enter the response. Exploitation requires a user to load the crafted authentication response; scripts can redirect the browser, alter the page, or read browser data, but httpOnly session cookies prevent session hijacking.

The record

CVE
CVE-2025-10503
Published
Apr 29, 2026
Updated
Apr 29, 2026
Vendor
WSO2
Product
WSO2 Identity Server
Classifications
CWE-79, CAPEC-20, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 29, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.1.0 <7.1.0.28

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WSO2 · WSO2 Identity Serverversion=7.1.0 <7.1.0.28

Published CVSS scores

6.1WSO2CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-20Cross-Site Scripting
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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