# CVE-2026-1242: Missing authorization in BlockSpare – Gutenberg Blocks for News, Magazine, Blog & Business Websites

> Authenticated subscribers can bypass authorization checks to create arbitrary posts due to incorrect permission logic in the BlockSpare WordPress plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Sep 2026
- **Updated:** 19 Sep 2026
- **Also known as:** GHSA-fr95-rg7g-cqvh

## What is CVE-2026-1242?

CVE-2026-1242 is a medium-severity missing authorization vulnerability in BlockSpare – Gutenberg Blocks for News, Magazine, Blog & Business Websites, published on 19 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The BlockSpare plugin for WordPress is vulnerable to authorization bypass due to incorrect logic in the permission callback in all versions up to, and including, 4.2.6 due to the use of an AND (&&) operator instead of an OR (||) operator. This makes it possible for authenticated attackers, with Subscriber-level access and above, to bypass authorization checks and create arbitrary posts.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2026-1242?


## How do I fix CVE-2026-1242?

No fix has been published for CVE-2026-1242 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-1242 being exploited?

There is no known exploitation of CVE-2026-1242 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-1242 and fix it if it is affected.

What it is: CVE-2026-1242 is a medium-severity missing authorization vulnerability in BlockSpare – Gutenberg Blocks for News, Magazine, Blog & Business Websites, published on 19 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-1242 in the wild and no public exploit code.

Affected product: BlockSpare – Gutenberg Blocks for News, Magazine, Blog & Business Websites. 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-2026-1242/ (Markdown: https://insights.sbomify.com/CVE-2026-1242/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-1242
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1242
- OSV: https://osv.dev/vulnerability/CVE-2026-1242

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-1242/
Summaries are generated and may contain mistakes; the official description above is the record.