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CVE-2026-12995— Custom Field Template <= 2.7.8 - Authenticated (Contributor+) Insecure Direct Object Reference to Arbitrary Media File Deletion via 'file_field' Parameter

Quick assessment

Affected
hiroaki-miyashita Custom Field Template
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated at

CVSS 4.3 · Medium EPSS 0.21% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
hiroaki-miyashita Custom Field Template ≤ 2.7.8 affected
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I. Basic Information for CVE-2026-12995

Vulnerability Information

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Vulnerability Title
Custom Field Template <= 2.7.8 - Authenticated (Contributor+) Insecure Direct Object Reference to Arbitrary Media File Deletion via 'file_field' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary media attachments site-wide by supplying any numeric attachment ID in the file-field parameter alongside the corresponding delete flag, causing content loss and broken pages. Exploitation requires that the attacker's post is governed by a Custom Field Template containing at least one file-type field with the mediaRemove option not enabled, which is the default configuration for file fields.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
hiroaki-miyashita Custom Field Template 0 ~ 2.7.8 -

II. Public POCs for CVE-2026-12995

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III. Intelligence Information for CVE-2026-12995

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Patches & Fixes for CVE-2026-12995 (1)

Other References for CVE-2026-12995 (1)

Other References for CVE-2026-12995 (3)

IV. Related Vulnerabilities

Same product: Custom Field Template
Same vendor: hiroaki-miyashita
Same weakness: CWE-639

V. Comments for CVE-2026-12995

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