EUVD-2026-69859

The Simple Ajax Chat WordPress plugin before 20260827 does not escape chat message content before rendering it, allowing unauthenticated users to inject arbitrary HTML attributes into the page and run scripts in the browser of anyone viewing the chat, including administrators...

CVE-2026-84188 librenms before 26.7.0 Stored XSS via graph_descr settings

LibreNMS versions configuration settings, which are echoed verbatim without HTML escaping in includes/html/pages/graphs.inc.php. An administrator can store a malicious HTML payload that executes in the browser of any authenticated user who views the affected graph type. The issue is fixed in...

CVE-2026-84188 librenms before 26.7.0 Stored XSS via graph_descr settings

LibreNMS versions configuration settings, which are echoed verbatim without HTML escaping in includes/html/pages/graphs.inc.php. An administrator can store a malicious HTML payload that executes in the browser of any authenticated user who views the affected graph type. The issue is fixed in...

CVE-2026-51153

Stored Cross-Site Scripting XSS in TaskRunHandler.post in web/handlers/task.py in QD 20220208 through 20250803. When a task is run via /task//run, the handler renders task log content logtmp into the HTML response using Python % string formatting without HTML encoding. logtmp is populated from th...

PT-2026-83580

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.1 Description Improper escaping of block name, alias, and memo fields occurs within the hint, backlink, and breadcrumb rendering functions. This allows an attacker to inject HTML or script tags into a block's name,...

CVE-2026-55779

Silverstripe Versioned (a versioning module for Silverstripe CMS) contains a stored XSS in RestoreAction::getRestoreMessage() (src/RestoreAction.php). The method builds ArchiveAdmin restore notifications rendered as CAST_HTML but inserts $restoredItem->Title, $restoredItem->URLSegment, $res...

PT-2026-83368

Name of the Vulnerable Software and Affected Versions Silverstripe Versioned versions prior to 3.2.1 Description In the RestoreAction::getRestoreMessage function within src/RestoreAction.php, restore notifications in ArchiveAdmin are rendered as CAST HTML. The system fails to apply Convert::raw2x...

CVE-2026-65053

Horde IMP's AppleDouble MIME viewer writes an attacker-controlled attachment name into an HTML status block without escaping it. In lib/Mime/Viewer/Appledouble.php, IMPrender obtains the name of the data part with IMPContents::getPartName, which returns the MIME part's own name parameter as...

EUVD-2026-64638

Brave Popup Builder brave-popup-builder up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them...

CVE-2026-61824 Defuddle: XSS via unescaped attribute interpolation in site extractors

Defuddle cleans up HTML pages. Prior to 0.19.1, site extractors interpolate page-derived image alt and src values, og:image values, and video descriptions into HTML strings without context-appropriate escaping, and buildExtractorResponse returns this contentHtml without the main pipeline's...

CVE-2026-61824

Defuddle (an HTML page cleaner) is vulnerable to cross-site scripting (XSS) prior to version 0.19.1 . Site extractors interpolate page-derived values—image alt/src attributes, og:image values, and video descriptions—into HTML strings without context-appropriate escaping. Additionally, buildExtrac...

CVE-2026-61824 Defuddle: XSS via unescaped attribute interpolation in site extractors

Defuddle cleans up HTML pages. Prior to 0.19.1, site extractors interpolate page-derived image alt and src values, og:image values, and video descriptions into HTML strings without context-appropriate escaping, and buildExtractorResponse returns this contentHtml without the main pipeline's...

PT-2026-79299

The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before 1.3.9.9 does not escape one of its settings before using it as an HTML tag name in front-end output, allowing users with administrator access to inject arbitrary web scripts that execute on any front-end page...

Linux Distros Unpatched Vulnerability : CVE-2026-52854

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Maps is a MediaWiki extension that enables visualization of geographic data through dynamic embedded maps. Prior to version 12.1.3, the displaymap parser functi...

CVE-2026-52854

Maps is a MediaWiki extension that enables visualization of geographic data through dynamic embedded maps. Prior to version 12.1.3, the displaymap parser function in the Leaflet service accepts attacker-controlled HTML in the overlays parameter, and resources/leaflet/jquery.leaflet.js uses the...

CVE-2026-67196

Vulnerability : In Perspective 5.0.0, the built-in Debug plugin is vulnerable to cross-site scripting via innerHTML interpolation during CSV serialization. Trigger : attackers craft table rows whose cells contain unescaped HTML markup, including unquoted event-handler attributes, which are not es...

CVE-2026-67196 Perspective 5.0.0 XSS via Debug Plugin innerHTML Interpolation

Perspective 5.0.0 contains a cross-site scripting vulnerability in the built-in Debug plugin that allows attackers to inject arbitrary HTML and JavaScript by writing table cell values containing unescaped HTML markup, which are interpolated directly into innerHTML during CSV serialization...

SUSE CVE-2026-45375

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan's Bazaar community marketplace renders the name and version fields of a package's plugin.json and the equivalent theme.json / template.json / widget.json / icon.json into the Settings - Marketplace UI without HT...

PT-2026-63971

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.2 Description A stored cross-site scripting issue exists in the Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping. The EscapeHTML function i...

EUVD-2026-46267

Ninja Forms plugin for WordPress versions 3.10.4 through 3.14.9 contains an unauthenticated stored cross-site scripting vulnerability in the Repeatable Fieldset feature where parseSubmissionIndex accepts arbitrary strings as submission indexes without numeric validation, and adminformelement...