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

Fediverse Embeds embeds fediverse posts on WordPress sites. Prior to version 1.5.9, Fediverse Embeds registered the unauthenticated AJAX action wpajaxnoprivftfgetsiteinfo includes/SiteInfo.php that verified a nonce ftf-fediverse-embeds-nonce and then called filegethtml$siteurl on the...

CVE-2026-46698

Fediverse Embeds (WordPress plugin) prior to 1.5.9 registered an unauthenticated AJAX action, wp_ajax_nopriv_ftf_get_site_info, which validated a nonce ftf-fediverse-embeds-nonce and then performed file_get_html($site_url) on an attacker-supplied URL. The same nonce was enqueued on every public p...

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

Fediverse Embeds embeds fediverse posts on WordPress sites. Prior to version 1.5.9, Fediverse Embeds registered the unauthenticated AJAX action wpajaxnoprivftfgetsiteinfo includes/SiteInfo.php that verified a nonce ftf-fediverse-embeds-nonce and then called filegethtml$siteurl on the...

PT-2026-48698

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...

WordPress plugin Fediverse Embeds 代码问题漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be added t...

PT-2026-48697

Fediverse Embeds embeds fediverse posts on WordPress sites. Prior to version 1.5.8, Fediverse Embeds registered an unauthenticated REST route ftf/media-proxy includes/Media Proxy.php with permission callback = return true that accepted a base64-encoded URL and forwarded it to wp remote get$url...

WordPress plugin Fediverse Embeds 代码问题漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. There wa...

EUVD-2026-31480

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, the Typebot viewer packages/embeds/js renders anchor tags from rich text bubble content without filtering the javascript: URI scheme. A bot author can set a link URL to javascript:PAYLOAD, which executes in the visitor's browser...

SUSE CVE-2026-2457

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID:...

CVE-2026-20719

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

CVE-2026-2457

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID:...

Improper Check for Unusual or Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions through the rendering process of external SVGs on link embeds. An attacker can cause the web and desktop applications to crash by embedding malicious external SVGs in links, leading t...

EUVD-2026-15485

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

Mattermost: Authenticated DoS through failure to prevent rendering of external SVGs on link embeds

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub. Mattermost Advisory ID:...

Improper Check for Unusual or Exceptional Conditions

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions through the rendering process of external SVGs on link embeds. An attacker can cause the web...

GHSA-86VC-MG26-FJ6X Mattermost: Authenticated DoS through failure to prevent rendering of external SVGs on link embeds

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub. Mattermost Advisory ID:...

CVE-2026-20719

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

PT-2026-27810

Name of the Vulnerable Software and Affected Versions Mattermost versions 11.4.0 and earlier Mattermost versions 11.3.1 and earlier Mattermost versions 11.2.3 and earlier Mattermost versions 10.11.11 and earlier Description The software does not properly prevent the rendering of external Scalable...

GO-2026-4732 Mattermost allows attackers to spoof permalink embeds in github.com/mattermost/mattermost-server

Mattermost allows attackers to spoof permalink embeds in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from...

GHSA-PH22-FW5M-W2Q9 Mattermost allows attackers to spoof permalink embeds

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint. Mattermost Advisory ID:...