CVE-2025-12563 Blog2Social: Social Media Auto Post & Scheduler <= 8.6.0 - Incorrect Authorization to Video File Upload
Authenticated subscribers can upload video files due to incorrect authorization checks in the Blog2Social 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-2025-12563?
CVE-2025-12563 is a medium-severity missing authorization vulnerability in pr-gateway Blog2Social: Social Media Auto Post & Scheduler, published on 6 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to limited file upload due to an incorrect capability check on theuploadVideo() function in all versions up to, and including, 8.6.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload mp4 files to the 'wp-content/uploads/<YYYY>/<MM>/' directory.
Weakness: CWE-862
Which versions are affected by CVE-2025-12563?
How do I fix CVE-2025-12563?
No fix has been published for CVE-2025-12563 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-2025-12563 being exploited?
There is no known exploitation of CVE-2025-12563 in the wild and no public exploit code.
Sources
Also known as GHSA-c6v2-f464-375q.