Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-89001
Unknown WPeMatico RSS Feed Fetcher — WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Post Publication and Author Spoofing via Campaign Settings
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H N U N H N 4.9 .0019 8.1 —
AFFECTED
Product Versions Fixed
WPeMatico RSS Feed Fetcher unspecified —
TIMELINE
Sep 10 Reserved by WPScan
Sep 27 Published (CNA: WPScan)
Sep 28 EXPLOIT PUBLISHED — CVE-2026-89001 (Unknown WPeMatico RSS Feed Fetcher). Public exploit reference added.
Description
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 10, 2026 | Reserved | Reserved by WPScan |
| September 27, 2026 | Published | Published (CNA: WPScan) |
| September 28, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-89001 (Unknown WPeMatico RSS Feed Fetcher). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | WPeMatico RSS Feed Fetcher | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-89001 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
