Is Form Block safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (1.8.2). As of 2026-11-04. 3 issues are on record for older versions; version 1.8.2 or newer fixes all of them that state a fix. Keep Form Block on the latest version (1.8.2) and remove it if you do not use it.

Which versions of Form Block are vulnerable?

Known issues on record (newest first): Cross-site scripting (XSS) (1.8.1 and older, fixed in 1.8.2); Arbitrary file upload (1.5.5 and older, fixed in 1.5.6); Cross-site request forgery (CSRF) (older than 1.0.2, fixed in 1.0.2). The full list with sources is on this page.

What is the latest version of Form Block?

1.8.2, according to wordpress.org (last updated 2026-10-02). It has 300+ active installs.

What should I do if my Form Block is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update form-block). If you cannot update right away, deactivate it until you can. If you think the site was already attacked, run a free scan at https://laskyr.com/scan.

Plugins · form-block · data as of 2026-11-04

Is Form Block safe? Known vulnerabilities and latest version

Latest version: 1.8.2
Last updated: 2026-10-02
Active installs: 300+
Known issues on record: 3
Unpatched in latest: 0
Tested up to WP: 7.1.4 · PHP 7.4+

An extensive yet user-friendly form block. — by epiphyt

What to do

Update to the latest version (1.8.2). Anything older than 1.8.2 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
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 form-block --field=version shows what you run; wp plugin update form-block updates it.

Check your version

Known vulnerabilities

3 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.

high 7.1 CVE-2026-104814 · published 2026-10-06

Cross-site scripting (XSS) in Form Block (1.8.1 and older)

Affected: 1.8.1 and older
Fixed in: 1.8.2
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 Patchstack

Details from the advisory

Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.

NVD CVE-2026-104814 Patchstack advisory

critical 9.0 CVE-2025-54693 · published 2025-08-14

Arbitrary file upload in Form Block (1.5.5 and older)

Affected: 1.5.5 and older
Fixed in: 1.5.6
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block form-block allows Upload a Web Shell to a Web Server.This issue affects Form Block: from n/a through <= 1.5.5.

NVD CVE-2025-54693 Patchstack advisory

medium 6.5 CVE-2023-30616 · published 2023-04-20

Cross-site request forgery (CSRF) in Form Block (older than 1.0.2)

Affected: older than 1.0.2
Fixed in: 1.0.2
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: NVD analysis · score by NVD

Details from the advisory

Form block is a wordpress plugin designed to make form creation easier. Versions prior to 1.0.2 are subject to a Cross-Site Request Forgery due to a missing nonce check. There is potential for a Cross Site Request Forgery for all form blocks, since it allows to send requests to the forms from any website without a user noticing. Users are advised to upgrade to version 1.0.2. There are no known workarounds for this vulnerability.

NVD CVE-2023-30616 github.com github.com

Recent activity

2026-10-02 — latest release on wordpress.org (1.8.2).
2026-10-06 — Cross-site scripting (XSS) disclosed (CVE-2026-104814), fixed in 1.8.2.
2025-08-14 — Arbitrary file upload disclosed (CVE-2025-54693), fixed in 1.5.6.
2023-04-20 — Cross-site request forgery (CSRF) disclosed (CVE-2023-30616), fixed in 1.0.2.

Free. We check the CVE feeds every day and email you only when a new issue for Form Block (form-block) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Cross-site scripting (XSS) (1) · Arbitrary file upload (1) · Cross-site request forgery (CSRF) (1)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/form-block (Plugins API), fetched 2026-11-04.
Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.

Badge for your site or docs (states facts with a date, not a verdict):

<a href="https://laskyr.com/plugins/form-block"><img src="https://laskyr.com/plugins/form-block/badge.svg" alt="Form Block vulnerability status"></a>

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Is Form Block safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (1.8.2)

What to do

Check your version

Known vulnerabilities

Cross-site scripting (XSS) in Form Block (1.8.1 and older)

Arbitrary file upload in Form Block (1.5.5 and older)

Cross-site request forgery (CSRF) in Form Block (older than 1.0.2)

Recent activity

Get an email when Form Block has a new vulnerability

Browse vulnerabilities

Where this data comes from