# CVE-2026-0633: Auth bypass in MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor

> Unauthenticated attackers can access sensitive form submission data by forging a predictable cookie value, exposing user information within a short time window.

- **Severity:** Low 3.7 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Jan 2026
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-8pwf-5hf8-8pvm

## What is CVE-2026-0633?

CVE-2026-0633 is a low-severity authentication bypass vulnerability in roxnor MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor, published on 24 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.1.0. This is due to the use of a forgeable cookie value derived only from the entry ID and current user ID without a server-side secret. This makes it possible for unauthenticated attackers to access form submission entry data via MetForm shortcodes for entries created within the transient TTL (default is 15 minutes).

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-0633?


## How do I fix CVE-2026-0633?

No fix has been published for CVE-2026-0633 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-0633 being exploited?

There is no known exploitation of CVE-2026-0633 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0633 and fix it if it is affected.

What it is: CVE-2026-0633 is a low-severity authentication bypass vulnerability in roxnor MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor, published on 24 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-0633 in the wild and no public exploit code.

Affected product: roxnor MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-0633/ (Markdown: https://insights.sbomify.com/CVE-2026-0633/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0633
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0633
- OSV: https://osv.dev/vulnerability/CVE-2026-0633

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-0633/
Summaries are generated and may contain mistakes; the official description above is the record.