CVE-2026-13733
MEDIUM
6.4
CVSS 3.1
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.
Metadata
Severity & Metrics
6.4
MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| codename065 | Download Manager | — | 0 ≤ 3.3.60 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-79 | cna | CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.4 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
References (8)
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ebf96aa9-2ee7-4411-8f43-3e8d023197bd?source=cve
- 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/views/all-packages-shortcode.php#L396
- 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/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/Shortcodes.php#L37
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3590868%40download-manager&new=3590868%40download-manager&sfp_email=&sfph_mail=