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CVE-2026-104028— Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE

Quick assessment

Affected
Unknown Anton Extensions
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.

Anton Extensions 插件（版本号 <= 1.2.2）在将攻击者提供的内容写入攻击者指定的路径之前，未执行任何权限检查、非ces（nonce）验证或文件类型验证。因此，未授权的攻击者可以上传任意 PHP 文件，从而实现远程代码执行（RCE）。

AI Predicted 10.0 Difficulty: Trivial EPSS 0.55% · P45

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Anton Extensions ≤ 1.2.2 affected
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I. Basic Information for CVE-2026-104028

Vulnerability Information
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Vulnerability Title
Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
The Anton Extensions WordPress plugin through 1.2.2 does not perform any capability check, nonce verification, or file-type validation before writing attacker-supplied content to an attacker-chosen path, allowing unauthenticated attackers to upload arbitrary PHP files and achieve remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Anton Extensions 0 ~ 1.2.2 -

II. Public POCs for CVE-2026-104028

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III. Intelligence Information for CVE-2026-104028

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Same Patch Batch · Unknown · 2026-10-11 · 63 CVEs total

CVE-2026-84252 click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Arbitrary Options Update
CVE-2026-103695 Mobile Builder <= 1.4.2 - Unauthenticated SQLi via 'vendor_id' Parameter
CVE-2026-104681 Envira Gallery < 1.16.2 - Author+ Non-Public Post Title and Excerpt Disclosure via Gallery
CVE-2026-104682 Envira Gallery < 1.16.2 - Contributor Missing Authorization via Convert Gallery REST Route
CVE-2026-104680 Envira Gallery < 1.16.2 - Multisite Subsite Admin+ Arbitrary Plugin Installation via Onboa
CVE-2026-81155 Robo Gallery < 5.2.6 - Author+ Stored XSS via Gallery Search Label
CVE-2026-81154 Robo Gallery < 5.2.6 - Author+ Stored XSS via Image Alt Text
CVE-2026-81420 Tcard WP <= 1.8.0 - Unauthenticated SQLi via group_id Parameter
CVE-2026-81156 Robo Gallery < 5.2.6 - Contributor+ Stored XSS via Gallery Settings
CVE-2026-84251 click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Arbitrary Options Update
CVE-2026-81649 Fundiin <= 3.4.0 - Unauthenticated Payment Gateway Settings Update and Credential Disclosu
CVE-2026-84260 click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Stored XSS via post_notifica
CVE-2026-84259 click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications
CVE-2026-84253 click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Arbitrary Options Update
CVE-2026-84261 click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Stored XSS via post_notific
CVE-2026-84254 click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Arbitrary Options Update
CVE-2026-84258 click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notificati
CVE-2026-84737 Freeton WP <= 1.0.0 - Unauthenticated Account Takeover via 'secod' Parameter
CVE-2026-84734 Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pas
CVE-2026-85121 Insurify <= 1.0 - Unauthenticated Arbitrary Option Creation and Overwrite via saveemailtem

Showing top 20 of 63 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-104028

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