CVE-2024-11188: The Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder plugi

Q: How do I fix CVE-2024-11188?

formidable forms: upgrade to 6.16.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-11188 being exploited?

CVE-2024-11188 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-11188 affect?

CVE-2024-11188 affects formidable forms. Severity is medium (CVSS 6.1). The Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder plugin for WordPress is vulnerable to POST-Based Reflected Cross-Site Scripting via the Custom HTML Form parameters in all versions up

Q: How urgent is CVE-2024-11188?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2024-11188 is a medium-severity flaw (CVSS 6.1) affecting formidable forms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder plugin for WordPress is vulnerable to POST-Based Reflected Cross-Site Scripting via the Custom HTML Form parameters in all versions up to, and including, 6.16.1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can suc

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-11-23
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: strategy11

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-23 06:15 UTCPublished CVE record published
2026-06-17 06:57 UTCUpdated Record last modified

strategy11 formidable forms UPGRADE

Affected: < 6.16.2

Fixed in: 6.16.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy formidable-forms || rpm -q formidable-forms || formidable-forms --version

2. UPGRADE to 6.16.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade formidable-forms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade formidable-forms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-11188?

formidable forms: upgrade to 6.16.2. Exact commands for each OS are on this page.

Is CVE-2024-11188 being exploited?

CVE-2024-11188 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-11188 affect?

CVE-2024-11188 affects formidable forms. Severity is medium (CVSS 6.1). The Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder plugin for WordPress is vulnerable to POST-Based Reflected Cross-Site Scripting via the Custom HTML Form parameters in all versions up

How urgent is CVE-2024-11188?

Priority 30/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-9768 MEDIUM 4.8 UPGRADE The Formidable Forms WordPress plugin before 6.14.1 does not sanitise and escape some of its settings, which
CVE-2024-6725 MEDIUM 4.9 UPGRADE The Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder plugi
CVE-2022-45806 MEDIUM 4.3 UPGRADE Missing Authorization vulnerability in Strategy11 Form Builder Team Formidable Forms allows Exploiting Incorre

References

← Back to latest CVEs