GHSA-GVF2-2RH5-MPGF OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget

Summary A user who can save a telemetry screen permission systemset can embed JavaScript in a screen BUTTON widget. The BUTTON widget evals the stored button text in the browser when the button is activated, and screens are shared content rendered to other users in the scope. As a result, an...

OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget

Summary A user who can save a telemetry screen permission systemset can embed JavaScript in a screen BUTTON widget. The BUTTON widget evals the stored button text in the browser when the button is activated, and screens are shared content rendered to other users in the scope. As a result, an...

CVE-2026-77394 OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.0.6 until 7.3.0, an authenticated actor with systemset permission can store a shared screen through POST /openc3-api/screen whose BUTTON widget action is evaluated by...

CVE-2026-77394 OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.0.6 until 7.3.0, an authenticated actor with systemset permission can store a shared screen through POST /openc3-api/screen whose BUTTON widget action is evaluated by...

CVE-2026-77394 OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.0.6 until 7.3.0, an authenticated actor with systemset permission can store a shared screen through POST /openc3-api/screen whose BUTTON widget action is evaluated by...

CVE-2026-85006

The HappyAddons for Elementor WordPress plugin before 3.50.0 does not escape an icon value on one of its button widgets before outputting it inside an HTML attribute, allowing users with Contributor-level access and above to inject event-handler attributes that execute JavaScript in the browser o...

CVE-2026-85006 Happy Addons for Elementor < 3.50.0 - Contributor+ Stored XSS via Creative Button Widget

The HappyAddons for Elementor WordPress plugin before 3.50.0 does not escape an icon value on one of its button widgets before outputting it inside an HTML attribute, allowing users with Contributor-level access and above to inject event-handler attributes that execute JavaScript in the browser o...

CVE-2026-86440 MISP Dashboard Button Widget Allows Stored XSS via Unsafe javascript: and Backslash URLs

Affected versions of MISP insufficiently validate URLs used by dashboard widgets, particularly the Button widget. The widget's URL is stored configuration controlled by a user. The previous renderer considered a URL safe if it appeared relative or if its parsed hostname matched the configured MIS...

CVE-2026-86440 MISP Dashboard Button Widget Allows Stored XSS via Unsafe javascript: and Backslash URLs

Affected versions of MISP insufficiently validate URLs used by dashboard widgets, particularly the Button widget. The widget's URL is stored configuration controlled by a user. The previous renderer considered a URL safe if it appeared relative or if its parsed hostname matched the configured MIS...

EUVD-2026-72372

Affected versions of MISP insufficiently validate URLs used by dashboard widgets, particularly the Button widget. The widget's URL is stored configuration controlled by a user. The previous renderer considered a URL safe if it appeared relative or if its parsed hostname matched the configured MIS...

CVE-2026-86440

MISP 's dashboard Button widget is affected by a stored XSS caused by insufficient URL validation. The prior renderer treated a URL as safe if it appeared relative or matched the configured MISP hostname, but failed to reject dangerous schemes such as javascript: or backslash-based authority form...

PT-2026-86770

Affected versions of MISP insufficiently validate URLs used by dashboard widgets, particularly the Button widget. The widget's URL is stored configuration controlled by a user. The previous renderer considered a URL safe if it appeared relative or if its parsed hostname matched the configured MIS...

CVE-2026-15285

The Plus Addons for Elementor plugin for WordPress was vulnerable to Authenticated Contributor+ Stored Cross-Site Scripting via the Button widget's customattributes setting in versions up to and including 6.4.11. The render function in modules/widgets/tpbutton.php passed the raw customattributes...

CVE-2026-15285 The Plus Addons for Elementor <= 6.4.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via Button Widget Custom Attributes

The Plus Addons for Elementor plugin for WordPress was vulnerable to Authenticated Contributor+ Stored Cross-Site Scripting via the Button widget's customattributes setting in versions up to and including 6.4.11. The render function in modules/widgets/tpbutton.php passed the raw customattributes...

CVE-2026-15285 The Plus Addons for Elementor <= 6.4.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via Button Widget Custom Attributes

The Plus Addons for Elementor plugin for WordPress was vulnerable to Authenticated Contributor+ Stored Cross-Site Scripting via the Button widget's customattributes setting in versions up to and including 6.4.11. The render function in modules/widgets/tpbutton.php passed the raw customattributes...

CVE-2026-15285

The Plus Addons for Elementor plugin for WordPress was vulnerable to Authenticated Contributor+ Stored Cross-Site Scripting via the Button widget's customattributes setting in versions up to and including 6.4.11. The render function in modules/widgets/tpbutton.php passed the raw customattributes...

CVE-2026-15285

The Plus Addons for Elementor plugin for WordPress is affected by an Authenticated (Contributor+) Stored Cross-Site Scripting vulnerability in the Button widget via the custom_attributes setting, affecting versions up to 6.4.11. The root cause is in render() for the Button widget, where the raw c...

EUVD-2026-42794

The Plus Addons for Elementor plugin for WordPress was vulnerable to Authenticated Contributor+ Stored Cross-Site Scripting via the Button widget's customattributes setting in versions up to and including 6.4.11. The render function in modules/widgets/tpbutton.php passed the raw customattributes...

PT-2026-57062

The Plus Addons for Elementor plugin for WordPress was vulnerable to Authenticated Contributor+ Stored Cross-Site Scripting via the Button widget's custom attributes setting in versions up to and including 6.4.11. The render function in modules/widgets/tp button.php passed the raw custom attribut...

CVE-2026-2509

The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button widget's Custom Attributes field in all versions up to, and including, 2.0.8. This is due to an incomplete event handler blocklist in the 'pagelayerxsscontent' XSS filtering function, whic...