# CVE-2026-34886: Simple Membership broken access control in WordPress plugin

Source: https://junglewise.ai/threats/cve-2026-34886-simple-membership-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-2026-34886 · Severity: high · CVSS 7.5 · Published 2026-06-15

Simple Membership is a WordPress plugin used to manage member-only content and subscriptions. A security flaw allows unauthenticated visitors to bypass access controls and perform actions that should be restricted to authorized users. This could allow an attacker to modify site settings or member data without permission, potentially disrupting operations.

Technologies: [Simple Membership Team Simple Membership](https://junglewise.ai/threats/technologies/simple-membership). Vendors: [Simple Membership Team](https://junglewise.ai/threats/vendors/simple-membership-team).

## Quick answers

**Is CVE-2026-34886 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-34886 being exploited in the wild.

**How severe is CVE-2026-34886?** High severity, with a CVSS score of 7.5, published 15 June 2026.

**Which products and versions are affected?** Simple Membership Team Simple Membership <= 4.7.1.

**Is there a fix for CVE-2026-34886?** A patch was published on 2026-03-31: Version 4.7.2 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-34886 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-34886?** Check whether you run Simple Membership Team Simple Membership 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

The Simple Membership plugin for WordPress (versions 4.7.1 and below) contains a broken access control vulnerability due to missing authorization checks (CWE-862). An unauthenticated remote attacker can exploit this flaw by sending crafted network requests to trigger functions that lack proper permission validation. Successful exploitation allows the attacker to execute higher-privileged actions, potentially leading to unauthorized data modification or integrity loss. The issue is resolved in version 4.7.2.

## Affected products

- Simple Membership Team Simple Membership <= 4.7.1

## Timeline

- 2026-02-12: other: Reported by Jakub Herman
- 2026-03-31: advisory: Patchstack advisory published
- 2026-03-31: patched: Version 4.7.2 released
- 2026-06-15: disclosed: CVE published to NVD

## References

- [https://patchstack.com/database/wordpress/plugin/simple-membership/vulnerability/wordpress-simple-membership-plugin-4-7-1-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/simple-membership/vulnerability/wordpress-simple-membership-plugin-4-7-1-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [Simple Membership WordPress plugin stored XSS in Stripe webhook](https://junglewise.ai/threats/cve-2026-11855-simple-membership-wordpress-plugin-stored-xss-in-stripe-webhook)
- [Simple Membership WordPress plugin XSS](https://junglewise.ai/threats/cve-2026-42663-simple-membership-wordpress-plugin-xss)