jupyterlab-git extension: Stored XSS leading to RCE

Overview Amazon Web Services AWS Security has identified a stored cross-site scripting XSS issue in the jupyterlab-git JupyterLab extension that can lead to remote code execution RCE. The issue exists in the PlainTextDiff.ts component, where the createHeader method passes Git filenames directly t...

NPM: parse-server: Stored XSS via trailing-dot filename bypassing file upload extension blocklist

NPM: parse-server: Stored XSS via trailing-dot filename bypassing file upload extension blocklist vulnerability discovered by ? in WordPress Npm parse-server versions = 8.6.78...

symfony/ux-autocomplete: XSS via unescaped AJAX response data

Description The Stimulus controller shipped with symfony/ux-autocomplete renders AJAX response items into the dropdown by interpolating the text field directly into HTML template literals $itemlabelField inside createAutocompleteWithRemoteData. The value is parsed as HTML rather than text, so any...

WordPress Master Slider plugin <= 3.11.2 - Cross Site Scripting (XSS) vulnerability

Cross Site Scripting XSS vulnerability discovered by João Pedro S Alcântara Kinorth in WordPress Plugin Master Slider versions = 3.11.2...

CVE-2026-12430

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.1.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and...

PT-2026-51055

Name of the Vulnerable Software and Affected Versions symfony/ux-autocomplete versions prior to 2.x symfony/ux-autocomplete versions prior to 3.x Description The Stimulus controller in the software renders AJAX response items into a dropdown by interpolating the text field directly into HTML...

PT-2026-51122

Name of the Vulnerable Software and Affected Versions Symfony UX Icons affected versions not specified Description The ux icon Twig function is marked as safe for HTML, which prevents Twig from escaping its output. The Icon::toHtml function inlines SVG source code directly into the page. Because...

CVE-2026-12048 pgAdmin 4: Stored XSS via untrusted error and plan-node text rendered through html-react-parser

Stored cross-site scripting in pgAdmin 4's error-rendering and plan-node-rendering paths. Text returned by a PostgreSQL server ErrorResponse messages, including object names quoted back inside relation-does-not-exist errors and inside EXPLAIN Recheck Cond / Exact Heap Blocks fields was passed...

CVE-2026-12048 pgAdmin 4: Stored XSS via untrusted error and plan-node text rendered through html-react-parser

Stored cross-site scripting in pgAdmin 4's error-rendering and plan-node-rendering paths. Text returned by a PostgreSQL server ErrorResponse messages, including object names quoted back inside relation-does-not-exist errors and inside EXPLAIN Recheck Cond / Exact Heap Blocks fields was passed...

CVE-2026-22674

Hashgraph Guardian prior to 3.5.0 is affected by a stored XSS vulnerability in the branding configuration API endpoint. The issue arises from unsanitized innerHTML in the branding service, allowing an authenticated user with the STANDARD_REGISTRY role to inject malicious scripts by submitting a c...

CVE-2026-22674

Hashgraph Guardian through 3.6.0, fixed in commit ba8c566, contains a stored cross-site scripting vulnerability that allows authenticated users with the STANDARDREGISTRY role to inject malicious scripts by submitting a crafted companyName value via the branding configuration API endpoint. Attacke...

CVE-2026-43915 Coturn: Stored Cross-Site Scripting (XSS) in web-admin interface via TURN username

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.11.0 contain a stored cross-site scripting XSS vulnerability in the web-admin HTTPS interface. An attacker who can create a TURN allocation with a crafted USERNAME value can inject HTML/JavaScript that execut...

CVE-2026-43915

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.11.0 contain a stored cross-site scripting XSS vulnerability in the web-admin HTTPS interface. An attacker who can create a TURN allocation with a crafted USERNAME value can inject HTML/JavaScript that execut...

GHSA-FCW5-X6J4-CCMP Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP

The nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a displaydata outpu...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2431 more potentially affected by unknown CVE via dompurify (>=3.0.0, <=3.4.10)

dompurify NPM version =3.0.0, =0.3.96, =0.5.12, =0.3.33, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.0.1, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =6.3.4 and more Source cves: unknown CVE Source advisory: SNYK:JS-DOMPURIFY-17375136...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2431 more potentially affected by CVE-2026-65898 via dompurify (>=3.0.0, <=3.4.10)

dompurify NPM version =3.0.0, =0.3.96, =0.5.12, =0.3.33, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.0.1, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =6.3.4 and more Source cves: CVE-2026-65898 Source advisory: OSV:GHSA-CMWH-PVXP-8882...

GHSA-CMWH-PVXP-8882 DOMPurify: Permanent `ALLOWED_ATTR` pollution via `setConfig()` bypassing the hook clone-guard (incomplete fix of the 3.4.7 hook-pollution patch)

Summary DOMPurify 3.4.7 shipped a security fix "permanent hook pollution" that makes a registered uponSanitizeAttribute hook's mutation of data.allowedAttributes non-persistent — so allowing an attribute for one element does not leak into later sanitize calls. The fix clones ALLOWEDATTR inside...

CVE-2026-54221

UBB.threads is vulnerable to Reflected XSS. The application improperly handles user input in certain requests, enabling attackers to execute arbitrary JavaScript in the context of a victim's browser by tricking them into clicking a crafted link. Because vendor contact attempts were unsuccessful,...

CVE-2026-54219

UBB.threads is vulnerable to Stored XSS via user posts and user profile fields. The application fails to properly sanitize user input, allowing low privileged attackers to inject arbitrary JavaScript that executes in a victim's browser upon viewing. Because vendor contact attempts were...

EUVD-2026-37884

UBB.threads is vulnerable to Reflected XSS. The application improperly handles user input in certain requests, enabling attackers to execute arbitrary JavaScript in the context of a victim's browser by tricking them into clicking a crafted link. Because vendor contact attempts were unsuccessful,...