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CVE-2026-13733

MEDIUM 6.4 CVSS 3.1
Published
July 1, 2026
Last modified
July 1, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • codename065 Download Manager — Up to and including 3.3.60

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.59/src/Package/Shortcodes.php#L37
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.59/src/Package/Shortcodes.php#L398
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.59/src/Package/views/all-packages-shortcode.php#L396
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.60/src/Package/Shortcodes.php#L37
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.60/src/Package/Shortcodes.php#L398
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/download-manager/tags/3.3.60/src/Package/views/all-packages-shortcode.php#L396
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3590868%40download-manager&new=3590868%40download-manager&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ebf96aa9-2ee7-4411-8f43-3e8d023197bd?source=cve
  • nvd.nist.gov Official NVD record