XSS in Strategy11 Formidable Form Builder

CVE-2023-6830

The Formidable Forms plugin for WordPress is vulnerable to HTML injection in versions up to, and including, 6.7. This vulnerability allows unauthenticated users to inject arbitrary HTML code into form fields. When the form data is viewed by an administrator in the Entries View Page, the injected HTML code is rendered, potentially leading to admin area defacement or redirection to malicious websites. CVE-2024-23522 appears to be a duplicate of this issue.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6830?
CVE-2023-6830 is a medium-severity vulnerability in Strategy11 Formidable Form Builder, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2024-01-09.
How severe is CVE-2023-6830?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-6830 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.