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Restrict User Access – Membership Plugin with Force: Missing authorization check

CVE-2026-124271Medium 5.3

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Summary

The WordPress membership plugin Restrict User Access – Membership Plugin with Force up to and including version 2.8.3 contains a missing authorization check (CWE-862). An unauthenticated remote attacker may be able to access functions or content that should be restricted, with a low confidentiality impact. The affected endpoint and the exact data at risk are not described in the sources.

Affected

  • DEV Institute Restrict User Access – Membership Plugin with Force, all versions up to and including 2.8.3

Fixed in

  • Version 2.8.4 or later (per the CVE record and the Patchstack entry; the wordpress.org listing still needs to be verified)

Workaround

  • Unknown. No vendor or researcher mitigation has been published. Updating is the only documented remedy.

Exploitation

  • No evidence of exploitation in the wild. Not listed in CISA KEV.
  • No public proof-of-concept found at the time of writing. The record is only one day old, so this may change.

Our recommendation

  • Check all WordPress sites, including those managed by agencies, for this plugin and its version.
  • Update to version 2.8.4 or later as soon as it is confirmed on wordpress.org or the vendor page.
  • If an update cannot be applied immediately, ask your hosting provider or web developer for help and review which content the plugin protects.
  • Also check for the related CVE-2026-62040, which is fixed by the same update.
  • Monitor web server logs for unusual access to members-only pages.

Public exploits

PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.

Research sources

Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 11 Nov 2026, 17:51.

Original description (NVD)

Missing Authorization vulnerability in DEV Institute Restrict User Access – Membership Plugin with Force restrict-user-access allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Restrict User Access – Membership Plugin with Force: from n/a through 2.8.3.

NVD references (1)

Sources

The tracker combines official, freely usable data sources – updated continuously:

This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.

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