CVE-2025-28243Public exploitNetwork attack vector

Credential capture via unsanitized Pages HTML

Published Jul 10, 2025 · Updated Jul 11, 2025

HTML injection in Alteryx Server 2023.1.1.460 allows remote authenticated users to alter Pages content with arbitrary HTML. The PUT /gallery/api/pages/{id}/ endpoint accepts crafted HTML in the body field and renders it in the trusted site without adequate sanitization. Page-edit permission and victim interaction are required; an injected form can capture submitted credentials or mislead viewers into actions.

CVSS severity8.0
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTML injection in Alteryx Server 2023.1.1.460 allows remote authenticated users to alter Pages content with arbitrary HTML. The PUT /gallery/api/pages/{id}/ endpoint accepts crafted HTML in the body field and renders it in the trusted site without adequate sanitization. Page-edit permission and victim interaction are required; an injected form can capture submitted credentials or mislead viewers into actions.

The record

CVE
CVE-2025-28243
Published
Jul 10, 2025
Updated
Jul 11, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1056.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 11, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.6DylanGrlCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N/E:H/RL:O/RC:C
8.0CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1056.003Input Capture: Web Portal Capture

Public exploit references

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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