CVE-2023-6830: formidable form XSS (CVSS 6.5)

Description

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.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
strategy11	formidable_form_builder	< 6.7

References

Other References

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3017166%40formidable%2Ftrunk&old=3009066%40formidable%2Ftrunk&sfp_email=&sfph_mail= https://www.wordfence.com/threat-intel/vulnerabilities/id/ff294b0f-97fe-4d27-bf93-f5bbb57ac1f6?source=cve https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3017166%40formidable%2Ftrunk&old=3009066%40formidable%2Ftrunk&sfp_email=&sfph_mail= https://www.wordfence.com/threat-intel/vulnerabilities/id/ff294b0f-97fe-4d27-bf93-f5bbb57ac1f6?source=cve

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-6830? +

CVE-2023-6830 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-6830? +

CVE-2023-6830 affects products from strategy11, specifically: formidable_form_builder. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6830? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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