# CVE-2026-1869: User Registration & Membership <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass

> Unauthenticated attackers can bypass payment checks to activate paid memberships, allowing unauthorized access to premium features.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Jun 2026
- **Updated:** 26 Jun 2026
- **Also known as:** GHSA-97gw-4hgp-77mp

## What is CVE-2026-1869?

CVE-2026-1869 is a medium-severity missing authorization vulnerability in wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all versions up to, and including, 5.2.0. This makes it possible for unauthenticated attackers to bypass payment processing and activate paid memberships.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-1869?


## How do I fix CVE-2026-1869?

No fix has been published for CVE-2026-1869 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-1869 being exploited?

There is no known exploitation of CVE-2026-1869 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-1869 and fix it if it is affected.

What it is: CVE-2026-1869 is a medium-severity missing authorization vulnerability in wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-1869 in the wild and no public exploit code.

Affected product: wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder. 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-2026-1869/ (Markdown: https://insights.sbomify.com/CVE-2026-1869/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-1869
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1869
- OSV: https://osv.dev/vulnerability/CVE-2026-1869

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-1869/
Summaries are generated and may contain mistakes; the official description above is the record.