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CVE-2026-46698— Fediverse Embeds: Public-nonce SSRF via ftf_get_site_info AJAX action

CVSS 5.3 · Medium EPSS 0.24% · P14

Affected Version Matrix 1

VendorProductVersion RangeStatus
stefanbohacekfediverse-embeds-wordpress-plugin< 1.5.9affected
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I. Basic Information for CVE-2026-46698

Vulnerability Information
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Vulnerability Title
Fediverse Embeds: Public-nonce SSRF via ftf_get_site_info AJAX action
Source: NVD (National Vulnerability Database)
Vulnerability Description
Fediverse Embeds embeds fediverse posts on WordPress sites. Prior to version 1.5.9, Fediverse Embeds registered the unauthenticated AJAX action wp_ajax_nopriv_ftf_get_site_info (includes/Site_Info.php) that verified a nonce ftf-fediverse-embeds-nonce and then called file_get_html($site_url) on the attacker-supplied URL. The same nonce was enqueued onto every public page containing a fediverse embed (via includes/Enqueue_Assets.php lines 41-46 + includes/Helpers.php lines 64-83), so the nonce gate was not an authentication boundary; any visitor of a public post with an embed could grab it and reuse it. This issue has been patched in version 1.5.9.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Fediverse Embeds 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Fediverse Embeds 1.5.9之前版本存在代码问题漏洞，该漏洞源于注册了未经身份验证的AJAX操作wp_ajax_nopriv_ftf_get_site_info，该操作验证了一个可公开获取的nonce
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
stefanbohacekfediverse-embeds-wordpress-plugin < 1.5.9 -

II. Public POCs for CVE-2026-46698

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III. Intelligence Information for CVE-2026-46698

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Patches & Fixes for CVE-2026-46698 (1)

Vendor Advisories for CVE-2026-46698 (1)

IV. Related Vulnerabilities

Same product: fediverse-embeds-wordpress-plugin
Same vendor: stefanbohacek
Same weakness: CWE-918

V. Comments for CVE-2026-46698

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