CVE-2026-55691

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, EmbedHtmlFormatter::toHtml in includes/EmbedService/EmbedHtmlFormatter.php passes the user-supplied class...

EUVD-2026-78832

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, EmbedHtmlFormatter::toHtml in includes/EmbedService/EmbedHtmlFormatter.php passes the user-supplied class...

CVE-2026-55691 EmbedVideo Extension : Stored XSS via unsanitized class passed to template

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, EmbedHtmlFormatter::toHtml in includes/EmbedService/EmbedHtmlFormatter.php passes the user-supplied class...

CVE-2026-55691

CVE-2026-55691 is a stored XSS in the EmbedVideo MediaWiki extension (by StarCitizenWiki), affecting versions prior to 4.1.0 . The root cause is in EmbedHtmlFormatter::toHtml, where a user-supplied class value is passed directly to sprintf without escaping when constructing a element. A single q...

CVE-2026-85190

Joomla Extension - regularlabs.com - Privileged stored XSS via class option in Quick Index extension for Joomla 5.0.5 - Quick Index inserts configurable class values into generated HTML without escaping them for an HTML attribute. A crafted value can close the intended class attribute and introdu...

PT-2026-91103

Joomla Extension - regularlabs.com - Privileged stored XSS via class option in Quick Index extension for Joomla 5.0.5 - Quick Index inserts configurable class values into generated HTML without escaping them for an HTML attribute. A crafted value can close the intended class attribute and introdu...

CVE-2026-83546 CoolClock < 4.3.8 - Contributor+ Stored XSS via Skin Class Attribute

The CoolClock WordPress plugin before 4.3.8 does not properly escape a skin setting before outputting it within an HTML attribute, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the content is viewed...

CVE-2026-83546 CoolClock < 4.3.8 - Contributor+ Stored XSS via Skin Class Attribute

The CoolClock WordPress plugin before 4.3.8 does not properly escape a skin setting before outputting it within an HTML attribute, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the content is viewed...

CVE-2026-8623

The Dear Flipbook WordPress plugin (all versions up to 2.4.30 ) is vulnerable to an authenticated Stored Cross-Site Scripting (XSS) via the post_content parameter, specifically the class attribute of .dvcss elements. Attackers with Contributor-level access can embed a Base64-encoded JSON object i...

CVE-2026-8623 Dear Flipbook <= 2.4.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via '.dvcss' Element Class Attribute

The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'postcontent class attribute of .dvcss element' parameter in all versions up to, and including, 2.4.30 due to insufficient input sanitization and output...

CVE-2026-8623 Dear Flipbook <= 2.4.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via '.dvcss' Element Class Attribute

The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'postcontent class attribute of .dvcss element' parameter in all versions up to, and including, 2.4.30 due to insufficient input sanitization and output...

WordPress Dear Flipbook plugin <= 2.4.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via '.dvcss' Element Class Attribute vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via '.dvcss' Element Class Attribute vulnerability discovered by tipsen in WordPress Plugin DearFlip versions = 2.4.30...

Dear Flipbook < 2.4.37 - Authenticated (Contributor+) Stored Cross-Site Scripting via '.dvcss' Element Class Attribute

Description The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'postcontent class attribute of .dvcss element' parameter in all versions up to, and including, 2.4.30 due to insufficient input sanitization...

CVE-2026-45733

Trilium Notes is a cross-platform, hierarchical note taking application focused on building large personal knowledge bases. Prior to 0.103.0, the iconClass label value is returned raw by getNoteIcon and inserted without HTML attribute encoding into class attributes in...

EUVD-2026-56147

Cross-site Scripting in the finding renderer in maalfer Pentestify before 2.3.1 allows authenticated users to execute arbitrary JavaScript in the application origin via HTML markup stored in a finding's severity field, which the frontend interpolates unescaped into class and style attributes when...

CVE-2026-18784

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

EUVD-2026-52789

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784 o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784 o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784 o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...