CVE-2023-5073

MEDIUM 6.4

iframe forms <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via iframe Shortcode

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The iframe forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'iframe' shortcode in versions up to, and including, 1.0 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	jrbecart
Product	iframe forms
Published	Oct 31, 2023
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

jrbecart / iframe forms

0 ≤ 1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/818de7f7-913a-4ade-927e-bba281b4709a?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/iframe-forms/trunk/iframe-forms.php#L29

Credits

István Márton Alex Thomas