Internal metadata disclosure via public-nonce SSRF
Published Jun 11, 2026 · Updated Jun 11, 2026
SSRF in Fediverse Embeds before 1.5.9 allows remote attackers to read parsed metadata from internal HTTP services through an AJAX endpoint. The unauthenticated ftf_get_site_info handler passes the attacker-controlled site_url to file_get_html without host or IP allowlisting after checking a nonce exposed on public embed pages. A visitor can reuse that nonce to make the WordPress server fetch internal URLs, but the endpoint returns parsed Open Graph metadata rather than full response bodies.
Summary
What happened
SSRF in Fediverse Embeds before 1.5.9 allows remote attackers to read parsed metadata from internal HTTP services through an AJAX endpoint. The unauthenticated ftf_get_site_info handler passes the attacker-controlled site_url to file_get_html without host or IP allowlisting after checking a nonce exposed on public embed pages. A visitor can reuse that nonce to make the WordPress server fetch internal URLs, but the endpoint returns parsed Open Graph metadata rather than full response bodies.
The record
- CVE
- CVE-2026-46698
- Published
- Jun 11, 2026
- Updated
- Jun 11, 2026
- Vendor
- Stefan Bohacek
- Product
- Fediverse Embeds
- Classifications
- CWE-918, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 11, 2026CVE publishedPublication date reported by the CVE source.
- Jun 11, 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.
- Affected versionversion=< 1.5.9
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
- GHSA-cr42-rgq6-whjh lab proofproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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