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CVE-2026-96896— Malcure Malware Shield < 19.9.7 - Multisite Subsite Admin+ Arbitrary File Write and Deletion via wpmr_ajax_request

Quick assessment

Affected
Unknown Malcure Malware Shield — Removal, Repair, Monitor
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.

Malcure 恶意软件防护（Malcure Malware Shield）插件（版本低于 19.9.7）在其中一个 AJAX 操作中未执行授权检查，导致在多站点网络中具有子站管理员角色的用户能够写入和删除共享文件系统中的任意文件，从而可能导致远程代码执行。

AI Predicted 8.1 Difficulty: Easy EPSS 0.18% · P7
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I. Basic Information for CVE-2026-96896

Vulnerability Information
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Vulnerability Title
Malcure Malware Shield < 19.9.7 - Multisite Subsite Admin+ Arbitrary File Write and Deletion via wpmr_ajax_request
Source: CVE Program / CVE List V5
Vulnerability Description
The Malcure Malware Shield — Removal, Repair, Monitor WordPress plugin before 19.9.7 does not perform an authorisation check on one of its AJAX actions, allowing users with a subsite administrator role on a multisite network to write and delete arbitrary files in the network's shared filesystem, which can lead to 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 Malcure Malware Shield — Removal, Repair, Monitor 0 ~ 19.9.7 -

II. Public POCs for CVE-2026-96896

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III. Intelligence Information for CVE-2026-96896

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Other References for CVE-2026-96896 (1)

Same Patch Batch · Unknown · 2026-09-27 · 19 CVEs total

CVE-2026-89003 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Preview
CVE-2026-84069 WebFacing Email Accounts for cPanel 5.3 - 5.3.6 - Unauthenticated LFI via assets/index.php
CVE-2026-81655 Ad Inserter 2.8.12 - 2.8.18 - Subscriber+ RCE / Stored XSS via Global Custom Fields
CVE-2026-82841 UpdraftPlus 1.23.8 - 1.26.7 - Subscriber+ Remote Storage Credential Disclosure via Migrati
CVE-2026-85002 EmbedPress < 4.6.7 - Contributor+ Stored XSS via Instagram Carousel Block Attributes
CVE-2026-86609 Download Manager Pro < 7.5.6 - Unauthenticated Stored XSS via Email Lock Subscription
CVE-2026-86839 Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via I
CVE-2026-86841 Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced O
CVE-2026-89001 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Post Publication and Author Spoofing vi
CVE-2026-96899 Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
CVE-2026-89006 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Stored XSS via Feed Import
CVE-2026-89000 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Run
CVE-2026-96897 Optima Express 8.5.0 - 8.7.5 - Unauthenticated Author Account Creation & Application Passw
CVE-2026-96895 WP YouTube Lyte < 1.7.31 - Contributor+ Stored XSS via Embed Block Attributes
CVE-2026-92995 Verge3D <= 4.13.0 - Unauthenticated Product Download Disclosure via v3d_download_file
CVE-2026-92436 Mailchimp for WooCommerce < 6.3 - Unauthenticated Customer Email and Cart Disclosure via I
CVE-2026-97319 PowerPress < 11.17.2 - Contributor+ Stored XSS via Podcast Player Block
CVE-2026-97227 NextScripts: Social Networks Auto-Poster < 4.4.8 - Authenticated Social Account Credential

IV. Related Vulnerabilities

Same product: Malcure Malware Shield — Removal, Repair, Monitor
Same vendor: Unknown

V. Comments for CVE-2026-96896

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