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Plugins · funnelforms-free · data as of 2026-11-04

Is Funnelforms Free safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (5.0.5)

As of 2026-11-04. 17 issues are on record for older versions; version 3.8.3 or newer fixes all of them that state a fix.

Latest version
5.0.5
Last updated
2026-11-03
Active installs
1,000+
Known issues on record
17
Unpatched in latest
0
Tested up to WP
7.1.4 · PHP 8.1+

Conversion-optimized multi step forms and contact forms that turn visitors into leads. No limits. Import from Contact Form 7, WPForms and more. — by Funnelforms

What to do

  1. Update to the latest version (5.0.5). Anything older than 3.8.3 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
  2. If you cannot update right away, deactivate it until you can.
  3. Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
  4. If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.

With WP-CLI: wp plugin get funnelforms-free --field=version shows what you run; wp plugin update funnelforms-free updates it.

Check your version

Known vulnerabilities

17 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.

medium 6.5 CVE-2025-62758 · published 2025-12-31

Cross-site scripting (XSS) in Funnelforms Free (3.8 and older)

Affected
3.8 and older
Fixed in
3.8.3 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
Range from
CVE record (the advisory publisher) · score by Patchstack
Details from the advisory

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Funnelforms Funnelforms Free funnelforms-free allows DOM-Based XSS.This issue affects Funnelforms Free: from n/a through <= 3.8.

NVD CVE-2025-62758Patchstack advisory

medium 5.3 CVE-2025-68582 · published 2025-12-24

Missing authorization check in Funnelforms Free (3.8 and older)

Affected
3.8 and older
Fixed in
3.8.3 *
Access needed (per CVSS)
No login needed
Range from
CVE record (the advisory publisher) · score by Patchstack
Details from the advisory

Missing Authorization vulnerability in Funnelforms Funnelforms Free funnelforms-free allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Funnelforms Free: from n/a through <= 3.8.

NVD CVE-2025-68582Patchstack advisory

high 8.8 CVE-2024-10587 · published 2024-12-04

PHP object injection in Funnelforms Free (3.7.5.1 and older)

Affected
3.7.5.1 and older
Fixed in
3.8 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by Wordfence
Details from the advisory

The Interactive Contact Form and Multi Step Form Builder with Drag & Drop Editor – Funnelforms Free plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.7.5.1 via deserialization of untrusted input. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

NVD CVE-2024-10587Wordfence advisorywordpress.org

medium 5.3 CVE-2024-5857 · published 2024-08-29

Missing authorization check in Funnelforms Free (3.7.3.2 and older)

Affected
3.7.3.2 and older
Fixed in
3.7.4.1 *
Access needed (per CVSS)
No login needed
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Interactive Contact Form and Multi Step Form Builder with Drag & Drop Editor – Funnelforms Free plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the af2_handel_file_remove AJAX action in all versions up to, and including, 3.7.3.2. This makes it possible for unauthenticated attackers to delete arbitrary media files.

NVD CVE-2024-5857Wordfence advisoryCode change (fix)

medium 5.3 CVE-2024-7447 · published 2024-08-28

Missing authorization check in Funnelforms Free (3.7.3.2 and older)

Affected
3.7.3.2 and older
Fixed in
3.7.4.1 *
Access needed (per CVSS)
No login needed
Range from
CVE record (the advisory publisher) · score by Wordfence
Details from the advisory

The Interactive Contact Form and Multi Step Form Builder with Drag & Drop Editor – Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'fnsf_af2_handel_file_upload' function in all versions up to, and including, 3.7.3.2. This makes it possible for unauthenticated attackers to upload arbitrary media to the site, even if no forms exist.

NVD CVE-2024-7447Wordfence advisoryCode change (fix)Plugin source

medium 6.5 CVE-2024-6312 · published 2024-08-28

Arbitrary file deletion in Funnelforms Free (3.7.3.2 and older)

Affected
3.7.3.2 and older
Fixed in
3.7.4.1 *
Access needed (per CVSS)
Needs an admin-level account
Range from
CVE record (the advisory publisher) · score by Wordfence
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 3.7.3.2 via the 'af2DeleteFontFile' function. This is due to the plugin not properly validating a file or its path prior to deleting it. This makes it possible for authenticated attackers, with administrator-level access and above, to delete arbitrary files, including the wp-config.php file, which can make site takeover and remote code execution possible.

NVD CVE-2024-6312Wordfence advisoryPlugin source

high 7.2 CVE-2024-6311 · published 2024-08-28

Arbitrary file upload in Funnelforms Free (3.7.3.2 and older)

Affected
3.7.3.2 and older
Fixed in
3.7.4.1 *
Access needed (per CVSS)
Needs an admin-level account
Range from
CVE record (the advisory publisher) · score by Wordfence
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'af2_add_font' function in all versions up to, and including, 3.7.3.2. This makes it possible for authenticated attackers, with administrator-level and above permissions, to upload arbitrary files on the affected site's server which may make remote code execution possible.

NVD CVE-2024-6311Wordfence advisoryPlugin source

medium 4.3 CVE-2023-5411 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.

NVD CVE-2023-5411Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5415 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_add_category function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to add new categories.

NVD CVE-2023-5415Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5416 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_delete_category function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to delete categories.

NVD CVE-2023-5416Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5417 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_update_category function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify the Funnelforms category for a given post ID.

NVD CVE-2023-5417Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5419 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_test_mail function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to send test emails to an arbitrary email address.

NVD CVE-2023-5419Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5382 · published 2023-11-22

Cross-site request forgery (CSRF) in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
No login needed; someone on the site has to click a link or open a page
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.4. This is due to missing or incorrect nonce validation on the fnsf_delete_posts function. This makes it possible for unauthenticated attackers to delete arbitrary posts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

NVD CVE-2023-5382Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5383 · published 2023-11-22

Cross-site request forgery (CSRF) in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
No login needed; someone on the site has to click a link or open a page
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.4. This is due to missing or incorrect nonce validation on the fnsf_copy_posts function. This makes it possible for unauthenticated attackers to create copies of arbitrary posts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. CVE-2023-5990 appears to be a duplicate of this issue.

NVD CVE-2023-5383Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5385 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_copy_posts function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to create copies of arbitrary posts.

NVD CVE-2023-5385Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5386 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_delete_posts function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to delete arbitrary posts, including administrator posts, and posts not related to the Funnelforms Free plugin. CVE-2023-5990 appears to be a duplicate of this issue.

NVD CVE-2023-5386Wordfence advisoryCode change (fix)

medium 4.3 CVE-2023-5387 · published 2023-11-22

Missing authorization check in Funnelforms Free (3.4 and older)

Affected
3.4 and older
Fixed in
3.4.2 *
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by NVD
Details from the advisory

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_trigger_dark_mode function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to enable or disable the dark mode plugin setting.

NVD CVE-2023-5387Wordfence advisoryCode change (fix)

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