# CVE-2026-34892: Rank Math SEO broken access control in WordPress plugin

Source: https://junglewise.ai/threats/cve-2026-34892-rank-math-seo-broken-access-control-in-wordpress-plugin  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-15. Updated: 2026-06-15  
License: CC BY 4.0 with a link back

CVE-2026-34892 · Severity: medium · CVSS 6.5 · Published 2026-06-15

Rank Math SEO, a popular WordPress plugin used to optimize website search engine rankings, contains a security flaw that allows low-privileged users to perform unauthorized actions. An individual with a basic 'Subscriber' account could bypass security checks to modify settings or data they should not have access to. This could lead to unauthorized changes to the website's SEO configuration or content management.

Technologies: [Rank Math SEO](https://junglewise.ai/threats/technologies/rank-math-seo). Vendors: [Rank Math](https://junglewise.ai/threats/vendors/rank-math).

## Quick answers

**Is CVE-2026-34892 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-34892 being exploited in the wild.

**How severe is CVE-2026-34892?** Medium severity, with a CVSS score of 6.5, published 15 June 2026.

**Which products and versions are affected?** Rank Math SEO <= 1.0.271.

**Is there a fix for CVE-2026-34892?** A patch was published on 2026-06-03: Version 1.0.271.1 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-34892 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-34892?** Check whether you run Rank Math SEO at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A broken access control vulnerability exists in the Rank Math SEO plugin for WordPress due to missing authorization checks (CWE-862). The flaw allows an authenticated attacker with Subscriber-level privileges to execute functions or modify settings that should be restricted to higher-privileged roles like Administrators. The vulnerability is reachable over the network and does not require user interaction. The issue is resolved in version 1.0.271.1, which introduces proper permission validation for the affected components.

## Affected products

- Rank Math Rank Math SEO <= 1.0.271

## Timeline

- 2026-03-18: other: Reported by Jakub Herman
- 2026-06-03: patched: Version 1.0.271.1 released
- 2026-06-15: advisory: NVD and Patchstack advisory published

## References

- [https://patchstack.com/database/wordpress/plugin/seo-by-rank-math/vulnerability/wordpress-rank-math-seo-plugin-1-0-271-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/seo-by-rank-math/vulnerability/wordpress-rank-math-seo-plugin-1-0-271-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [Rank Math SEO SQL injection in per_page parameter](https://junglewise.ai/threats/cve-2026-104753-the-rank-math-seo-wordpress-plugin-before-1-0-280-does-not)
- [Rank Math SEO arbitrary file upload to RCE](https://junglewise.ai/threats/cve-2026-104752-the-rank-math-seo-wordpress-plugin-before-1-0-280-does-not)
- [Rank Math SEO privilege escalation in bulk metadata update](https://junglewise.ai/threats/cve-2026-77787-rank-math-seo-privilege-escalation-in-bulk-metadata-update)
- [Rank Math SEO privilege escalation via missing access control](https://junglewise.ai/threats/cve-2026-77784-rank-math-seo-privilege-escalation-via-missing-access-control)
- [Rank Math SEO information disclosure in password-protected content](https://junglewise.ai/threats/cve-2026-77782-rank-math-seo-information-disclosure-in-password-protected)