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CVE-2026-86610— Download Manager < 3.3.71 - Author+ Stored XSS via Package Icon

Quick assessment

Affected
Unknown Download Manager
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.

Download Manager WordPress 插件在 3.3.71 版本之前，未对包设置进行充分的净化和转义处理，导致该设置在页面中输出时存在安全隐患。这使得拥有 Author（作者）角色或更高权限的用户能够实施存储型跨站脚本攻击（Stored XSS），针对任何打开该包下载对话框的访客（包括管理员）发起攻击。仅运行 PHP 8.1 以下版本的网站受影响，因为在保存设置时应用的净化措施无法中和单引号。

AI Predicted 6.4 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-86610

Vulnerability Information
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Vulnerability Title
Download Manager < 3.3.71 - Author+ Stored XSS via Package Icon
Source: CVE Program / CVE List V5
Vulnerability Description
The Download Manager WordPress plugin before 3.3.71 does not sufficiently sanitise and escape a package setting before outputting it back in a page, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor who opens the package's download dialogue, including administrators. Only sites running PHP below 8.1 are affected, as the sanitisation applied when the setting is saved does not neutralise single quotes there.
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 Download Manager 0 ~ 3.3.71 -

II. Public POCs for CVE-2026-86610

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III. Intelligence Information for CVE-2026-86610

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Other References for CVE-2026-86610 (1)

Same Patch Batch · Unknown · 2026-10-01 · 15 CVEs total

CVE-2026-96173 Payments for Hubtel < 1.0.2 - Unauthenticated Order Key Disclosure via IDOR
CVE-2026-96200 Payments for Hubtel < 1.0.2 - Unauthenticated Payment Confirmation Forgery via Delayed Pay
CVE-2026-96255 Payments for Hubtel < 1.0.2 - Unauthenticated Payment Gateway Credentials Disclosure via D
CVE-2026-89296 Pro Like Button < 2.0 - Unauthenticated SQLi via 'postid' Parameter
CVE-2026-87973 If-So Dynamic Content 1.9.9 - 1.10.1 - Editor+ Stored XSS via Conversion Name
CVE-2026-87970 If-So Dynamic Content 1.8 - 1.10.1 - Reflected XSS via render_ifso_shortcodes
CVE-2026-92412 Five Star Restaurant Reviews < 2.3.14 - Reflected XSS
CVE-2026-90972 WP Fusion Lite < 3.48.0 - Subscriber+ User Email Disclosure and Cross-User CRM Data Deleti
CVE-2026-90974 WP Fusion Lite 3.37.14 - 3.47.14 - Unauthenticated CRM Integration Settings Update
CVE-2026-19253 Cache Enabler < 1.8.17 - Unauthenticated Arbitrary File and Directory Deletion via cache_e
CVE-2026-81739 Paytm Payment Gateway < 2.8.9 - Unauthenticated Stored XSS via Payment Callback
CVE-2026-81809 Paytm Payment Gateway < 2.8.9 - Unauthenticated SQLi via Payment Callback
CVE-2026-101148 BackupSheep <= 1.8 - Unauthenticated Arbitrary File Deletion and Backup Exfiltration via E
CVE-2026-101147 Featured Image from URL (FIFU) Free & Premium - Administrator Account Creation via CSRF

IV. Related Vulnerabilities

Same product: Download Manager
Same vendor: Unknown

V. Comments for CVE-2026-86610

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