CVE-2026-89003Network attack vectorHinoki check available

Contributor-level internal response disclosure via unchecked feed fetch

Published Sep 27, 2026 · Updated Sep 27, 2026

SSRF in Etruel Developments LLC WPeMatico RSS Feed Fetcher before 2.8.27 allows remote authenticated users to read internal HTTP responses. Campaign preview fetches a user-supplied feed URL and renders its response without the required capability check or adequate rejection of internal destinations. Contributor-level access is sufficient, and the returned content can disclose services reachable from the WordPress server.

CVSS severityUnavailable
Unscored
EPSS probability0.18%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

SSRF in Etruel Developments LLC WPeMatico RSS Feed Fetcher before 2.8.27 allows remote authenticated users to read internal HTTP responses. Campaign preview fetches a user-supplied feed URL and renders its response without the required capability check or adequate rejection of internal destinations. Contributor-level access is sufficient, and the returned content can disclose services reachable from the WordPress server.

The record

CVE
CVE-2026-89003
Published
Sep 27, 2026
Updated
Sep 27, 2026
Vendor
Etruel Developments LLC
Product
WPeMatico RSS Feed Fetcher
Classifications
T1046
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2.8.27

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Etruel Developments LLC · WPeMatico RSS Feed Fetcherversion=0 <2.8.27

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1046Network Service Discovery

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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