CVE-2022-1574Public exploitNetwork attack vector

Arbitrary file upload via unchecked import

Published Jun 27, 2022 · Updated Aug 3, 2024

Unrestricted file upload in HTML2WP 1.0.0 and earlier allows remote attackers to place arbitrary PHP files on WordPress servers. The file-import handler accepts the local_importing[] multipart field without authorization, CSRF validation, or file-type validation and stores it under wp-content/uploads/html2wp. No authentication or user interaction is required, and the server can execute an uploaded PHP file from the web-accessible uploads path.

CVSS severity9.8
Critical
EPSS probability12.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in HTML2WP 1.0.0 and earlier allows remote attackers to place arbitrary PHP files on WordPress servers. The file-import handler accepts the local_importing[] multipart field without authorization, CSRF validation, or file-type validation and stores it under wp-content/uploads/html2wp. No authentication or user interaction is required, and the server can execute an uploaded PHP file from the web-accessible uploads path.

The record

CVE
CVE-2022-1574
Published
Jun 27, 2022
Updated
Aug 3, 2024
Vendor
arsenmanukyan
Product
HTML2WP
Classifications
CWE-862, CWE-352, T1505.003, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 27, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=0 <=1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

arsenmanukyan · HTML2WPversion=0 <=1.0.0

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8Wordfence IntelligenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P

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 exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
CWE-352Cross-Site Request Forgery (CSRF)
T1505.003Server Software Component: Web Shell
T1190Exploit Public-Facing Application

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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