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CVE-2026-12517— Fediverse Embeds < 1.5.8 - Unauthenticated SSRF via Site Info Endpoint

AI Predicted 8.2 Difficulty: Easy EPSS 0.19% · P8

Affected Version Matrix 1

VendorProductVersion RangeStatus
UnknownFediverse Embeds< 1.5.8affected
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I. Basic Information for CVE-2026-12517

Vulnerability Information
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Vulnerability Title
Fediverse Embeds < 1.5.8 - Unauthenticated SSRF via Site Info Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
UnknownFediverse Embeds 0 ~ 1.5.8 -

II. Public POCs for CVE-2026-12517

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III. Intelligence Information for CVE-2026-12517

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News Coverage for CVE-2026-12517 (1)

Same Patch Batch · Unknown · 2026-07-09 · 6 CVEs total

CVE-2026-12516Fediverse Embeds < 1.5.8 - Unauthenticated SSRF via Media Proxy
CVE-2026-12270Everest Forms < 3.5.0 - Unauthenticated Missing Authorization via Site Assistant REST Endp
CVE-2026-11571Everest Forms < 3.5.0 - Unauthenticated Sensitive Information Exposure via Residual CSV Ar
CVE-2026-11875WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Support Ticket Access
CVE-2026-11869WP DSGVO Tools (GDPR) < 3.1.40 - Unauthenticated Sensitive Information Disclosure via Subj

IV. Related Vulnerabilities

Same product: Fediverse Embeds
Same vendor: Unknown

V. Comments for CVE-2026-12517

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