CVE-2025-13861
HTML Forms – Simple WordPress Forms Plugin <= 1.6.0 - Unauthenticated Stored Cross-Site Scripting
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
The HTML Forms – Simple WordPress Forms Plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting in all versions up to and including 1.6.0 due to insufficient sanitization of fabricated file upload field metadata before displaying it in the WordPress admin dashboard. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute whenever an administrator accesses the form submissions page.
| CWE | CWE-79 |
| Vendor | linksoftware |
| Product | html forms – simple wordpress forms plugin |
| Published | Dec 17, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
linksoftware / HTML Forms – Simple WordPress Forms Plugin
0 ≤ 1.6.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/52e2f1b9-d240-4813-9124-51bd6b047553?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/html-forms/trunk/src/functions.php#L321 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/html-forms/trunk/src/functions.php#L357 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3419926%40html-forms%2Ftrunk&old=3407043%40html-forms%2Ftrunk&sfp_email=&sfph_mail=
Credits
Itthidej Aramsri