# CVE-2026-12158: Cross-site request forgery in RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login

> Unauthenticated attackers can escalate privileges to administrator via CSRF by tricking admins into clicking a link, affecting RegistrationMagic plugin users.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Jul 2026
- **Updated:** 1 Jul 2026
- **Also known as:** GHSA-7p35-52fv-8jr6

## What is CVE-2026-12158?

CVE-2026-12158 is a high-severity vulnerability in metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2026-12158?


## How do I fix CVE-2026-12158?

No fix has been published for CVE-2026-12158 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-12158 being exploited?

There is no known exploitation of CVE-2026-12158 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-12158 and fix it if it is affected.

What it is: CVE-2026-12158 is a high-severity vulnerability in metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-12158 in the wild and no public exploit code.

Affected product: metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login. 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-2026-12158/ (Markdown: https://insights.sbomify.com/CVE-2026-12158/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-12158
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-12158
- OSV: https://osv.dev/vulnerability/CVE-2026-12158

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-12158/
Summaries are generated and may contain mistakes; the official description above is the record.