CVE-2026-12516
Fediverse Embeds < 1.5.8 - Unauthenticated SSRF via Media Proxy
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 5.3EPSS 0.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
09 Jul 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
The Fediverse Embeds WordPress plugin before 1.5.8 does not validate the destination of the server-side request performed by an unauthenticated media-proxying endpoint, allowing anonymous users to make the site fetch arbitrary URLs, including internal and private-network addresses, and read back the response body. This results in a full-read Server-Side Request Forgery and open proxy.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · Fediverse Embedspublic PoCs found — 1
cve_referencewpscan.com/vulnerability/2ac80164-03b7-4966-b022-833b4194de80/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.