EUVD-2026-85800

The Post Grid WordPress plugin before 7.9.5 does not limit an expansion of the WordPress allowed-HTML list to its own markup and applies it site-wide, allowing users with the Contributor role and above to store iframe, style and input elements that are normally stripped from their content, leadin...

WordPress The Post Grid plugin < 7.9.5 - Contributor+ Stored HTML/iframe Injection vulnerability

Contributor+ Stored HTML/iframe Injection vulnerability discovered by Revanth Hari Narayana Matte in WordPress Plugin The Post Grid versions 7.9.5...

CVE-2026-84151 The Post Grid < 7.9.5 - Contributor+ Stored HTML/iframe Injection via wp_kses_post Allow-List Widening

The Post Grid WordPress plugin before 7.9.5 does not limit an expansion of the WordPress allowed-HTML list to its own markup and applies it site-wide, allowing users with the Contributor role and above to store iframe, style and input elements that are normally stripped from their content, leadin...

PT-2026-98202

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.1.8 Discourse versions prior to 2026.6.3 Discourse versions prior to 2026.7.2 Discourse versions prior to 2026.8.0 Description The topic small-action and nested-activity-log components interpolate the free-form...

CVE-2026-91119: Improper Neutralization of Input During Web Page Generation

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, the topic small-action and nested-activity-log components interpolated the free-form actioncodewho value into mention-link href attributes without URL encoding. A quote-bearing display name could...

PT-2026-98203

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.1.8 Discourse versions prior to 2026.6.3 Discourse versions prior to 2026.7.2 Discourse versions prior to 2026.8.0 Description Provider-controlled video titles in lazy video embeds can be reparsed as HTML durin...

PT-2026-97711

Name of the Vulnerable Software and Affected Versions The Post Grid versions prior to 7.9.5 Description The plugin fails to limit the expansion of the WordPress allowed-HTML list to its own markup, applying the change site-wide. This allows users with the Contributor role and above to store ifram...

PT-2026-98204

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.1.8 Discourse versions prior to 2026.6.3 Discourse versions prior to 2026.7.2 Discourse versions prior to 2026.8.0 Description Attacker-controlled upload filenames used in chat message excerpts are rendered as...

PT-2026-98241

Name of the Vulnerable Software and Affected Versions EmbedVideo Extension versions prior to 4.1.0 Description When the $wgEmbedVideoRequireConsent variable is disabled, video URLs are passed into an iframe src attribute without proper sanitization. This allows an attacker to use a malformed URL ...

CVE-2026-91121: Improper Neutralization of Input During Web Page Generation

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, attacker-controlled upload filenames used in chat message excerpts were rendered as unescaped HTML. A user able to upload a file and send chat content could place markup in a filename that was th...

CVE-2026-91120: Improper Neutralization of Input During Web Page Generation

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, provider-controlled video titles in lazy video embeds could be reparsed as HTML when Discourse generated notification emails or chat summaries. A user with standard posting privileges could creat...

CVE-2026-84151: Improper Neutralization of Input During Web Page Generation

The Post Grid WordPress plugin before 7.9.5 does not limit an expansion of the WordPress allowed-HTML list to its own markup and applies it site-wide, allowing users with the Contributor role and above to store iframe, style and input elements that are normally stripped from their content, leadin...

CVE-2026-81338

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding...

WordPress MasterStudy LMS WordPress Plugin plugin < 3.7.50 - Subscriber+ Stored HTML Injection vulnerability

Subscriber+ Stored HTML Injection vulnerability discovered by Jaime F. Murillo in WordPress Plugin MasterStudy LMS versions 3.7.50...

EUVD-2026-85028

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding...

CVE-2026-81338 MasterStudy LMS < 3.7.50 - Subscriber+ Stored HTML Injection via Course Discussions

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding...

CVE-2026-81338

The MasterStudy LMS WordPress Plugin (versions before 3.7.50 ) is vulnerable to stored HTML injection due to insufficient sanitization and restriction of HTML in user-submitted content. This flaw allows users with subscriber-level accounts and above to inject malicious content, such as iframes , ...

CVE-2026-81338 MasterStudy LMS < 3.7.50 - Subscriber+ Stored HTML Injection via Course Discussions

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding...

Linux Distros Unpatched Vulnerability : CVE-2026-93981

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hono before 4.13.7 fails to HTML-escape plain strings rendered by hono/jsx as a child or fallback of Suspense, as a string child of ErrorBoundary alongside an...

PT-2026-97164

Name of the Vulnerable Software and Affected Versions MasterStudy LMS WordPress Plugin versions prior to 3.7.50 Description Insufficient sanitization and restriction of HTML in user-submitted content allows users with subscriber-level accounts and above to perform stored HTML injection. This issu...