CVE-2025-36431Network attack vector

Authenticated script execution via unneutralized response header

Published Jul 30, 2026 · Updated Jul 30, 2026

Cross-site scripting in IBM Sterling B2B Integrator and File Gateway allows remote authenticated users to run JavaScript. The affected response header places attacker-controlled content into the Web UI without neutralizing it before browser rendering. Exploitation requires valid credentials and user interaction in a trusted session, where the script can alter displayed behavior and disclose credentials; versions 6.2.2.0 through 6.2.2.0_1 are affected.

CVSS severity5.4
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

Cross-site scripting in IBM Sterling B2B Integrator and File Gateway allows remote authenticated users to run JavaScript. The affected response header places attacker-controlled content into the Web UI without neutralizing it before browser rendering. Exploitation requires valid credentials and user interaction in a trusted session, where the script can alter displayed behavior and disclose credentials; versions 6.2.2.0 through 6.2.2.0_1 are affected.

The record

CVE
CVE-2025-36431
Published
Jul 30, 2026
Updated
Jul 30, 2026
Vendor
OpenBMC Project
Product
IBM Sterling B2B Integrator
Classifications
CWE-79, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 30, 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=6.2.2.0 <=6.2.2.0_1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenBMC Project · IBM Sterling B2B Integratorversion=6.2.2.0 <=6.2.2.0_1
OpenBMC Project · IBM Sterling File Gatewayversion=6.2.2.0 <=6.2.2.0_1

Published CVSS scores

5.4IBMCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

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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