firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

Important: Red Hat Security Advisory: skopeo security update

An update for skopeo is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

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,...

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...

CVE-2026-61825: Improper Neutralization of Input During Web Page Generation

code16 Sharp is a Laravel-based framework for building content-management and administrative interfaces. Versions before 9.22.5 contain a stored cross-site scripting vulnerability in SharpEditorFormField: attacker-controlled content bearing the data-html-content attribute can bypass HTML...

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-2026-57440: Improper Neutralization of Input During Web Page Generation

The EmbedVideo Extension is a MediaWiki extension which adds a parser function called ev and various parser tags for embedding video clips from various video sharing services. Prior to 4.1.0, with $wgEmbedVideoRequireConsent disabled not the default, the urls for videos are passed into an iframe...

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...

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...

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 ...

PT-2026-98196

Name of the Vulnerable Software and Affected Versions xhtml-purifier versions prior to 0.4.3 Description The library fails to HTML-entity-encode attribute values during the serialization of sanitized output. In the attributeString function, attribute values are concatenated directly into...

PT-2026-97827

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions prior to 4.2.0-alpha Description A stored cross-site scripting XSS issue exists that allows unauthenticated users or low-privileged registered users to inject arbitrary JavaScript. The attack occurs when an administrator...

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...

PT-2026-98243

Name of the Vulnerable Software and Affected Versions code16 Sharp versions prior to 9.22.5 Description A stored cross-site scripting issue exists in SharpEditorFormField. Attacker-controlled content using the data-html-content attribute can bypass HTML sanitization, allowing executable markup to...

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...

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...

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-2026-98202

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...

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...