CVE-2024-32431Network attack vector

Administrator PHP object injection via CSV import

Published Apr 15, 2024 · Updated Apr 28, 2026

PHP object injection in WP All Import Import Users from CSV 1.2 and earlier allows remote authenticated users to instantiate objects via CSV data. During an administrator-triggered user import, the plugin restores serialized CSV column values as PHP objects without restricting class instantiation. Administrator privileges and a usable gadget chain in the WordPress PHP environment are required; consequences are limited to the available gadget behavior, including data disclosure or modification.

CVSS severity4.4
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

PHP object injection in WP All Import Import Users from CSV 1.2 and earlier allows remote authenticated users to instantiate objects via CSV data. During an administrator-triggered user import, the plugin restores serialized CSV column values as PHP objects without restricting class instantiation. Administrator privileges and a usable gadget chain in the WordPress PHP environment are required; consequences are limited to the available gadget behavior, including data disclosure or modification.

The record

CVE
CVE-2024-32431
Published
Apr 15, 2024
Updated
Apr 28, 2026
Vendor
WP All Import
Product
Import Users from CSV
Classifications
CWE-502
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 15, 2024CVE 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=n/a <=1.2 changes=[{"at":"1.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WP All Import · Import Users from CSVversion=n/a <=1.2 changes=[{"at":"1.3","status":"unaffected"}]

Published CVSS scores

7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.4PatchstackCVSS:3.1/AV:N/AC:H/PR:H/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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