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.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1242 being exploited?
There is no known exploitation of CVE-2026-1242 in the wild and no public exploit code.
Sources
Also known as GHSA-fr95-rg7g-cqvh.