CVE-2026-13733
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
6.4 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vulnerability Description
The Download Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'no_data_msg' Shortcode Attribute in all versions up to, and including, 3.3.60 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. Although wp_kses_post is applied to post content on save, it only strips HTML tokens and does not neutralize C-style escape sequences embedded within shortcode attribute values, meaning contributors can craft a payload that survives the kses filter and is silently reconstructed into a raw script tag at render time.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-79
Source
NVD
Vendor
codename065
Product
Download Manager
External References
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.59/src/Package/Shortcodes.php#L37
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.59/src/Package/Shortcodes.php#L398
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.59/src/Package/views/all-packages-shortcode.php#L396
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.60/src/Package/Shortcodes.php#L37
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.60/src/Package/Shortcodes.php#L398
- https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.60/src/Package/views/all-packages-shortcode.php#L396
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3590868%40download-manager&new=3590868%40download-manager&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ebf96aa9-2ee7-4411-8f43-3e8d023197bd?source=cve
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