Description
The Download Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'note_before' and 'note_after' Shortcode Attributes in all versions up to, and including, 3.3.61 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. Because wp_kses_post filters post content on save for users without unfiltered_html, only kses-allowed tag and attribute payloads that survive save-time filtering will reach the unescaped sink; however, the sink itself remains unsafe and such payloads can still execute in the browser when a user renders the shortcode.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Product status
Any version
Timeline
| 2026-07-01: | Vendor Notified |
| 2026-07-08: | Disclosed |
Credits
PRISM
References
www.wordfence.com/...-008c-4ff3-ae3c-417cfd2fee9b?source=cve
plugins.trac.wordpress.org/...61/src/User/views/reg-form.php
plugins.trac.wordpress.org/...61/src/User/views/reg-form.php
plugins.trac.wordpress.org/...s/3.3.61/src/User/Register.php
plugins.trac.wordpress.org/...s/3.3.61/src/User/Register.php
plugins.trac.wordpress.org/...new=3594267%40download-manager