CVE-2022-4324 | BDVDB-2026-192053 Detail

Custom Field Template

Description#

The Custom Field Template WordPress plugin before 2.5.8 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import (intentionally or not) a malicious Customizer Styling file and a suitable gadget chain is present on the blog.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-502 Deserialization of Untrusted Data

References#

https://wpscan.com/vulnerability/70c39236-f7ae-49bf-a2f0-7cb9aa983e45

Exploit#

https://wpscan.com/vulnerability/70c39236-f7ae-49bf-a2f0-7cb9aa983e45

History#

Version 12023-01-02Record published in the CVE List.
Version 22025-04-10Most recent update recorded in the CVE List.

Published

Published: 2023-01-02
Last modified: 2025-04-10

Vendor information

Vendor: Not stated
Product: Custom Field Template

Score

7.2 High

EPSS

17.6%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 97.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Deserialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2.5.8
Fixed
2.5.8

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.2 High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).