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CVE-2026-12995

📛 CVE Title

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

⬇ Download JSON

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.

Overview

State
PUBLISHED
Assigner (CNA)
Wordfence
CVSS severity
MEDIUM
CVSS score
CVSS 4.3 / 10 4.3 4.3 / 10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Effective score
4.3 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-639
Reserved
2026-06-23
Published
2026-09-22 07:41 UTC
Last updated
2026-09-22 10:25 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/12xxx/CVE-2026-12995.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-09-22 08:16:36 UTC
NVD last modified
2026-09-22 19:04:55 UTC
NVD CVSS v3.1
CVSS 4.3 / 10 4.3 4.3 / 10 MEDIUM source: security@wordfence.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Exploitability subscore
2.8 / 10
Impact subscore
1.4 / 10
EPSS score
0.0021 (probability of exploitation in next 30 days)
EPSS percentile
11.94% vs all CVEs — higher = more likely to be exploited, as of 2026-09-22

NVD / KEV / EPSS data refreshed 2026-09-23 01:43 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-84297
Assigner
Wordfence
Published
Sep 22, 2026, 7:41:09 AM
Updated
Sep 22, 2026, 10:25:33 AM
EUVD base score (CVSS 3.1)
4.3 / 10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EUVD-reported EPSS
0.2100
Vendors
hiroaki-miyashita
Products
Custom Field Template (0 ≤2.7.8)
Aliases
GHSA-82h9-w9pg-f542

ENISA 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.

EUVD references (8)

Affected products (1)
VendorProductVersionsPlatforms
hiroaki-miyashita Custom Field Template 0 (affected) —

Vendor references (8)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (8)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (10)

  • CVE-2026-12295 - Vulnerability Details - OpenCVE
    web:app.opencve.io

    The flaw is a sandbox escape that targets the navigation component of the browser's DOM. It stems from weaknesses in input validation and information exposure as identified by CWE-693 and CWE-653. The escape permits code executed within web content to break out of the sandbox, exposing the host platform to potential compromise of confidentiality, integrity, or availability.

    2026-09-23 15:46 UTC
  • Custom Field Template Plugin Vulnerability (CVE-2026-12995)
    web:freshysites.com

    Security Alert Summary The Custom Field Template plugin for WordPress (all versions up to and including 2.7.8) contains an Insecure Direct Object Reference in the edit_meta_value handling of file-type fields. Authenticated users with contributor-level access or higher can trigger deletion of arbitrary media attachments by supplying a numeric attachment ID in the file-field parameter along

    2026-09-23 15:46 UTC
  • Security Update Guide - Microsoft
    web:msrc.microsoft.com

    The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

    2026-09-23 15:46 UTC
  • Security Update Guide - Microsoft Security Response Center
    web:msrc.microsoft.com

    Security Update Guide - Microsoft Security Response Center

    2026-09-23 15:46 UTC
  • Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva
    web:senserva.com

    Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

    2026-09-23 15:46 UTC
  • July 18, 2026—Hotpatch KB5121768 (OS Builds 26200.8893 and 26100.8893 ...
    web:support.microsoft.com

    This out-of-band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121768) is cumulative. It includes all improvements from previous security and non-security updates, along with an additional fix . Improvements This OOB update includes the following improvement: [System Performance] This update addresses an issue affecting a limited number of devices with an Intel ...

    2026-09-23 15:46 UTC
  • March 10, 2026—Hotpatch KB5079420 (OS Builds 26200.7979 and 26100.7979 ...
    web:support.microsoft.com

    This Hotpatch update for Windows 11, version 25H2 and 24H2 (KB5079420), improves functionality, performance, and reliability. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of ...

    2026-09-23 15:46 UTC
  • CVE-2026-12995 - WordPress Custom Field Template Plugin IDOR…
    web:vulmon.com

    Vulnerability Summary Authenticated attackers with contributor-level access or higher can delete any media attachment site-wide in the Custom Field Template plugin for WordPress versions up to and including 2.7.8. This Insecure Direct Object Reference vulnerability occurs via the edit_meta_value due to missing validation on a user-controlled key. Attackers can achieve content loss and broken ...

    2026-09-23 15:46 UTC
  • CVE-2026-12995 - vulnerability database | Vulners.com
    web:vulners.com

    CVE-2026-12995 🗓️ 22 Sep 2026 00:41:09 Reported by Wordfence Type cve 🔗 web.nvd.nist.gov 👁 8 Views

    2026-09-23 15:46 UTC
  • CVE-2026-12995: hiroaki-miyashita Custom Field Template: The ... - Rapid7
    web:www.rapid7.com

    CVE-2026-12995 : hiroaki-miyashita Custom Field Template: The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to,…. View severity, references, and remediation details from Rapid7.

    2026-09-23 15:46 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-12995.json.

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