File Upload Vulnerability in Blog2Social Plugin for WordPress
CVE-2025-12563

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Blog2social: Social Media Auto Post & Scheduler
Vendor
CVE Published:
6 November 2025

What is CVE-2025-12563?

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress has a vulnerability that allows authenticated users with Subscriber-level access and above to upload mp4 files to the specified directory. This issue arises due to an inadequate capability check within the uploadVideo() function, which has been present in all versions up to and including 8.6.0. As a result, this flaw could lead to unauthorized file uploads, potentially compromising the security of affected WordPress sites.

Affected Version(s)

Blog2Social: Social Media Auto Post & Scheduler * <= 8.6.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3389636/blog...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

thinnawarth mathuros
JSON
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CVE-2025-12563 : File Upload Vulnerability in Blog2Social Plugin for WordPress