CVE-2025-4212Network attack vectorHinoki check available

Stored XSS via insufficient image sanitization

Published Nov 18, 2025 · Updated Nov 18, 2025

Stored XSS in WP Wham Checkout Files Upload for WooCommerce 2.2.1 and earlier allows remote attackers to run scripts through image uploads. The file-upload validation and rendering path accepts image files containing web script without sufficient sanitization or output escaping. No account is required, and the script executes when a user opens the affected page, exposing data and actions available to that browser session.

CVSS severity7.2
High
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Stored XSS in WP Wham Checkout Files Upload for WooCommerce 2.2.1 and earlier allows remote attackers to run scripts through image uploads. The file-upload validation and rendering path accepts image files containing web script without sufficient sanitization or output escaping. No account is required, and the script executes when a user opens the affected page, exposing data and actions available to that browser session.

The record

CVE
CVE-2025-4212
Published
Nov 18, 2025
Updated
Nov 18, 2025
Vendor
WP Wham
Product
Checkout Files Upload for WooCommerce
Classifications
CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 18, 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?

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

  1. Affected versionversion=* <=2.2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WP Wham · Checkout Files Upload for WooCommerceversion=* <=2.2.1

Published CVSS scores

7.2WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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')
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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