CVE-2026-89001CWE-269privilege-escalation

CVE-2026-89001

Medium · published September 27, 2026

CVSS v3.1
4.9
EPSS
0%
Percentile
8.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00193 · 8.5th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-09-27T10:17Z
References (1)
https://wpscan.com/vulnerability/829bfdc3-7a15-4d6a-9782-72d34fd114b7/ · [email protected]
EPSS history
Timeline
  • 28 SEP 03:29Z
    EPSS moved — → 0%
    epss
  • 27 SEP 06:00Z
    WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Post Publication and Author Spoofing via Campaign Settings
    cvelistv5