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CVE-2026-12517

MEDIUM 5.3 CVSS 3.1
Published
July 9, 2026
Last modified
July 9, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The Fediverse Embeds WordPress plugin before 1.5.8 does not validate the destination of the server-side request performed by an unauthenticated site-info endpoint before fetching it, allowing anonymous users (the gating nonce is exposed on public pages carrying an embed) to make the site request internal and private-network URLs and read back the parsed page metadata. This is a Server-Side Request Forgery.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Fediverse Embeds — Before 1.5.8

References

  • wpscan.com https://wpscan.com/vulnerability/460a996f-e27d-47e8-9d68-9e6be93100c0/
  • nvd.nist.gov Official NVD record