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-2026-91119: 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...

CVE-2026-4637: Improper Neutralization of Input During Web Page Generation

Paessler PRTG Network Monitor before version 26.2.120.1449 is affected by a reflected Cross-Site Scripting XSS vulnerability. When a request is made for a non-existent resource ending in ".htm", the web interface returns an HTTP 403 "Forbidden Path" error page that echoes the requested URL path...

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...

Fedora 43 : perl-HTML-FormHandler (2026-167a356523)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-167a356523 advisory. HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the processattrs method CVE-2026-85630...

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...

RockyLinux 9 : skopeo (RLSA-2026:70641)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:70641 advisory. skopeo: Go html/template: Cross-Site Scripting via pathological input CVE-2026-56858 skopeo: Go encoding/asn1: Denial of Service via excessive recursion...

PT-2026-98207

Name of the Vulnerable Software and Affected Versions volotat Anagnorisis versions prior to 0.4.12 Description Cross site scripting occurs in the Media Filename Handler component due to improper handling of the file path argument within the html function of the PlaylistManager.js file. This allow...

RHEL 9 : buildah (RHSA-2026:70640)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:70640 advisory. The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a...

RHEL 9 : skopeo (RHSA-2026:70641)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:70641 advisory. Command line utility to inspect images and repositories directly on Docker registries without the need to pull them. Security Fixes: skopeo...

Fedora 44 : perl-HTML-FormHandler (2026-21850d7df0)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-21850d7df0 advisory. HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the processattrs method CVE-2026-85630...

RockyLinux 9 : buildah (RLSA-2026:70640)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:70640 advisory. buildah: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service CVE-2026-56853 buildah: Go html/template: Cross-Site Scripting via...

AlmaLinux 9 : buildah (ALSA-2026:70640)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:70640 advisory. buildah: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service CVE-2026-56853 buildah: Go html/template: Cross-Site Scripting via...

AlmaLinux 9 : skopeo (ALSA-2026:70641)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:70641 advisory. skopeo: Go html/template: Cross-Site Scripting via pathological input CVE-2026-56858 skopeo: Go encoding/asn1: Denial of Service via excessive recursion ...

Fedora 45 : perl-HTML-FormHandler (2026-406a152d49)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-406a152d49 advisory. HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the processattrs method CVE-2026-85630...

VulnCheck KEV: CVE-2022-28368

Dompdf 1.2.1 allows remote code execution via a .php file in the src:url field of an @font-face Cascading Style Sheets CSS statement within an HTML input file...

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...

html/template: golang: Go html/template: Cross-Site Scripting via pathological input

A flaw was found in the html/template component of Go golang. Pathological inputs could prematurely close an unescaped forward slash '/', allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting XSS, where malicious scripts are executed in a user's browser,...

html/template: golang: Go html/template: Cross-Site Scripting via pathological input

A flaw was found in the html/template component of Go golang. Pathological inputs could prematurely close an unescaped forward slash '/', allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting XSS, where malicious scripts are executed in a user's browser,...

html/template: golang: Go html/template: Cross-Site Scripting via pathological input

A flaw was found in the html/template component of Go golang. Pathological inputs could prematurely close an unescaped forward slash '/', allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting XSS, where malicious scripts are executed in a user's browser,...