CVE-2026-2383
Simple Download Monitor <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Simple Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom field in all versions up to, and including, 4.0.5 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.
| CWE | CWE-79 |
| Vendor | mra13 |
| Product | simple download monitor |
| Published | Feb 27, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
mra13 / Simple Download Monitor
0 ≤ 4.0.5
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/556e41d1-2c98-4175-87ba-29689704c2f0?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simple-download-monitor/tags/4.0.3/sdm-shortcodes.php#L543 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simple-download-monitor/trunk/sdm-shortcodes.php#L543 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3464024%40simple-download-monitor%2Ftrunk&old=3430786%40simple-download-monitor%2Ftrunk&sfp_email=&sfph_mail=
Credits
Muhammad Yudha - DJ