CVE-2022-29425Network attack vector

Stored XSS via unescaped uploaded filenames

Published May 20, 2022 · Updated Apr 28, 2026

Stored cross-site scripting in WP Wham Checkout Files Upload for WooCommerce 2.1.2 and earlier allows remote attackers to run script via filenames. The plugin writes uploaded filenames into order-confirmation and order-received page HTML without output escaping. A shopper must upload a crafted filename before another visitor views the affected page, allowing script execution within the visitor's site context.

CVSS severity6.1
Medium
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in WP Wham Checkout Files Upload for WooCommerce 2.1.2 and earlier allows remote attackers to run script via filenames. The plugin writes uploaded filenames into order-confirmation and order-received page HTML without output escaping. A shopper must upload a crafted filename before another visitor views the affected page, allowing script execution within the visitor's site context.

The record

CVE
CVE-2022-29425
Published
May 20, 2022
Updated
Apr 28, 2026
Vendor
WP Wham
Product
Checkout Files Upload for WooCommerce
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 20, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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=<= 2.1.2 <=2.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WP Wham · Checkout Files Upload for WooCommerceversion=<= 2.1.2 <=2.1.2

Published CVSS scores

6.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NVDAV:N/AC:M/Au:N/C:N/I:P/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')
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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