CVE-2026-27013 Fabric.js Affected by Stored XSS via SVG Export

Fabric.js is a Javascript HTML5 canvas library. Prior to version 7.2.0, Fabric.js applies escapeXml to text content during SVG export src/shapes/Text/TextSVGExportMixin.ts:186 but fails to apply it to other user-controlled string values that are interpolated into SVG attribute markup. When...

GHSA-F7GR-6P89-R883 Svelte affected by cross-site scripting via spread attributes in Svelte SSR

Versions of svelte prior to 5.51.5 are vulnerable to cross-site scripting XSS during server-side rendering. When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an application spreads user-controlled or external...

Svelte affected by cross-site scripting via spread attributes in Svelte SSR

Versions of svelte prior to 5.51.5 are vulnerable to cross-site scripting XSS during server-side rendering. When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an application spreads user-controlled or external...

Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the spread syntax when rendering attributes from untrusted data during server-side rendering. An attacker can execute arbitrary JavaScript in the context of...

CVE-2026-2718

The Dealia – Request a Quote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Gutenberg block attributes in all versions up to, and including, 1.0.8. This is due to the use of wpkses for output escaping within HTML attribute contexts where escattr is required. This makes it...

CVE-2026-2718 Dealia <= 1.0.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutenberg Block Attributes

The Dealia – Request a Quote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Gutenberg block attributes in all versions up to, and including, 1.0.6. This is due to the use of wpkses for output escaping within HTML attribute contexts where escattr is required. This makes it...

CVE-2026-2718 Dealia <= 1.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutenberg Block Attributes

The Dealia – Request a Quote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Gutenberg block attributes in all versions up to, and including, 1.0.8. This is due to the use of wpkses for output escaping within HTML attribute contexts where escattr is required. This makes it...

CVE-2026-2718

The Dealia – Request a Quote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Gutenberg block attributes in all versions up to, and including, 1.0.6. This is due to the use of wpkses for output escaping within HTML attribute contexts where escattr is required. This makes it...

CVE-2026-2718

CVE-2026-2718 — Dealia for WordPress stores cross-site scripting via Gutenberg block attributes in all versions up to 1.0.8. Root cause: escaping in HTML attribute contexts relies on wp_kses() where esc_attr() is required, allowing authenticated attackers with Contributor+ access to inject script...

WordPress Dealia plugin <= 1.0.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutenberg Block Attributes vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via Gutenberg Block Attributes vulnerability discovered by Ronnachai Sretawat Na Ayutaya Simonhaskelly - Reconix Co., Ltd. in WordPress Plugin Dealia versions = 1.0.6...

PT-2026-20795

The Dealia – Request a Quote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Gutenberg block attributes in all versions up to, and including, 1.0.6. This is due to the use of wp kses for output escaping within HTML attribute contexts where esc attr is required. This makes it...

Leaf-kit html escaping does not work on characters that are part of extended grapheme cluster

htmlEscaped in leaf-kit will only escape html special characters if the extended grapheme clusters match, which allows bypassing escaping by using an extended grapheme cluster containing both the special html character and some additional characters. In the case of html attributes, this can lead ...

PT-2026-20982

Name of the Vulnerable Software and Affected Versions Leafkit versions prior to 1.4.1 Description Leafkit’s htmlEscaped function inadequately escapes HTML special characters when dealing with extended grapheme clusters. This occurs because the function only escapes characters if the extended...

Leaf-kit html escaping does not work on characters that are part of extended grapheme cluster

htmlEscaped in leaf-kit will only escape html special characters if the extended grapheme clusters match, which allows bypassing escaping by using an extended grapheme cluster containing both the special html character and some additional characters. In the case of html attributes, this can lead ...

GHSA-HFVX-25R5-QC3W Fabric.js Affected by Stored XSS via SVG Export

fabric.js applies escapeXml to text content during SVG export src/shapes/Text/TextSVGExportMixin.ts:186 but fails to apply it to other user-controlled string values that are interpolated into SVG attribute markup. When attacker-controlled JSON is loaded via loadFromJSON and later exported via...

Cross-site Scripting (XSS)

Overview org.webjars.npm:fabric is an Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the loadFromJSON function, which is used in the FabricObjectSVGExportMixin class to...

Fabric.js Affected by Stored XSS via SVG Export

fabric.js applies escapeXml to text content during SVG export src/shapes/Text/TextSVGExportMixin.ts:186 but fails to apply it to other user-controlled string values that are interpolated into SVG attribute markup. When attacker-controlled JSON is loaded via loadFromJSON and later exported via...

Cross-site Scripting (XSS)

Overview fabric is an Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the loadFromJSON function, which is used in the FabricObjectSVGExportMixin class to deserialize...

CVE-2026-1941 WP Event Aggregator <= 1.8.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The WP Event Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpevents' shortcode in all versions up to, and including, 1.8.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for...

CVE-2025-13959 Filestack <= 2.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The Filestack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'filepicker' shortcode in all versions up to, and including, 2.0.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated...