CVE-2026-89001

MEDIUM CVSS 3.1: 4.9 EPSS 0.19%
Updated Sep 28, 2026
WordPress
Parameter Value
CVSS 4.9 (MEDIUM)
Affected Versions before 2.8.27
Type CWE-269 (Improper Privilege Management)
Vendor WordPress
Public PoC No

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.27 does not verify that a user running a feed campaign is permitted to publish content or to attribute posts to another account, allowing users with contributor-level access and above to publish posts live and set any registered user, including an administrator, as the post author.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1