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6.4
CVE-2026-16685: Download Manager <= 3.3.66 - Attackers can inject malicious scripts
CVE-2026-16685 · published 3 months ago
Summary
The Download Manager plugin for WordPress has a security flaw that allows attackers with contributor-level access and above to inject malicious code into pages. This code will execute when users visit those pages, potentially allowing the attacker to steal information or take control of the website. Update the plugin to the latest version to fix this issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| codename065 | download manager | <= 3.3.66 |
Original advisory text
The Download Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'icon' Shortcode Attribute in all versions up to, and including, 3.3.66 due to insufficient input sanitiza...
The Download Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'icon' Shortcode Attribute in all versions up to, and including, 3.3.66 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. wp_kses_post() does not neutralize the payload because it operates on post content at save time and does not process shortcode attribute values that are emitted unescaped at render time.
References
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.64/src/Cate...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.64/src/Pack...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.64/src/Pack...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.64/src/__/U...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.66/src/Cate...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.66/src/Pack...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.66/src/Pack...
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.66/src/__/U...
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3628015%40download-ma...
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7a32393e-f233-4ab6-add...
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published1 Aug 2026
Updated4 Nov 2026
First seen1 Aug 2026
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