CVE-2026-33979 Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)

Express XSS Sanitizer is Express 4.x and 5.x middleware which sanitizes user input data in req.body, req.query, req.headers and req.params to prevent Cross Site Scripting XSS attack. A vulnerability has been identified in versions prior to 2.0.2 where restrictive sanitization configurations are...

CVE-2026-33979

Express XSS Sanitizer is Express 4.x and 5.x middleware which sanitizes user input data in req.body, req.query, req.headers and req.params to prevent Cross Site Scripting XSS attack. A vulnerability has been identified in versions prior to 2.0.2 where restrictive sanitization configurations are...

CVE-2026-33976

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

CVE-2026-33976

Notesnook stores attacker-controlled attributes from a source page into web-clip HTML during Web Clipper rendering. When a clip is later opened, Notesnook renders this HTML in a same-origin, unsandboxed iframe via contentDocument.write, allowing event-handler attributes (onload, onclick, onmouseo...

EUVD-2026-16874

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

CVE-2026-33976 Notesnook vulnerable to RCE via stored XSS in Web Clipper rendering

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2059 more potentially affected by CVE-2026-65914 via dompurify (>=3.0.0, <=3.3.1)

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, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =0.2.8-experimental.0, =0.2.10 and more Source cves: CVE-2026-65914 Source advisory: OSV:GHSA-H8R8-WCCR-V5F2...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2059 more potentially affected by unknown CVE via dompurify (>=3.0.0, <=3.3.1)

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, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =0.2.8-experimental.0, =0.2.10 and more Source cves: unknown CVE Source advisory: SNYK:JS-DOMPURIFY-15810938...

CVE-2026-33883

Overview: CVE-2026-33883 affects Statamic CMS (Laravel/Git-powered). Prior to versions 5.73.16 and 6.7.2, the tag user:reset_password_form could render user input directly into HTML without escaping, enabling a reflected XSS via a crafted URL that executes arbitrary JavaScript in a victim’s brows...

CVE-2026-4973

A vulnerability was detected in SourceCodester Online Quiz System up to 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-question.php. Performing a manipulation of the argument quizquestion results in cross site scripting. It is possible to initiate the...

CVE-2026-33739 FOG has Stored XSS in Multiple Management Pages

FOG is a free open-source cloning/imaging/rescue suite/inventory management system. Prior to 1.5.10.1812, the listing tables on multiple management pages Host, Storage, Group, Image, Printer, Snapin are vulnerable to Stored Cross-Site Scripting XSS, due to insufficient server-side parameter...

CVE-2026-34375 AVideo Vulnerable to Reflected XSS via Unsanitized plugin Parameter in YPTWallet Stripe Payment Page

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the YPTWallet Stripe payment confirmation page directly echoes the $REQUEST'plugin' parameter into a JavaScript block without any encoding or sanitization. The plugin parameter is not included in any of the...

CVE-2026-34375 AVideo Vulnerable to Reflected XSS via Unsanitized plugin Parameter in YPTWallet Stripe Payment Page

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the YPTWallet Stripe payment confirmation page directly echoes the $REQUEST'plugin' parameter into a JavaScript block without any encoding or sanitization. The plugin parameter is not included in any of the...

CVE-2026-34375 AVideo Vulnerable to Reflected XSS via Unsanitized plugin Parameter in YPTWallet Stripe Payment Page

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the YPTWallet Stripe payment confirmation page directly echoes the $REQUEST'plugin' parameter into a JavaScript block without any encoding or sanitization. The plugin parameter is not included in any of the...

CVE-2026-34375

CVE-2026-34375 : WWBN AVideo

CVE-2026-30568

A Reflected Cross-Site Scripting XSS vulnerability exists in SourceCodester Sales and Inventory System 1.0 in in the viewpurchase.php file via the "limit" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL...

Permissive List of Allowed Inputs

Overview express-xss-sanitizer is an Express 4.x middleware which sanitizes user input data in req.body, req.query, req.headers and req.params to prevent Cross Site Scripting XSS attack. Affected versions of this package are vulnerable to Permissive List of Allowed Inputs through the...

@omchat/common (>=1.0.0, <=1.0.4), @tverse/ui (>=0.1.0, <=0.1.1) +3 more potentially affected by CVE-2026-33979 via express-xss-sanitizer (1.2.1)

express-xss-sanitizer NPM version 1.2.1 is affected by a known vulnerability. The following packages have a transitive dependency on express-xss-sanitizer and may be impacted: - @omchat/common =1.0.0, =0.1.0, =1.2.0, =1.0.0, =1.14.31, =1.15.2 Source cves: CVE-2026-33979 Source advisory:...

GHSA-3843-RR4G-M8JQ Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)

Description A vulnerability has been identified in express-xss-sanitizer , , , etc. and attributes e.g., href on . This behavior violates the expected API contract and may lead to security issues such as content injection or XSS, depending on how the sanitized output is used. Impact Developers...

Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)

Description A vulnerability has been identified in express-xss-sanitizer , , , etc. and attributes e.g., href on . This behavior violates the expected API contract and may lead to security issues such as content injection or XSS, depending on how the sanitized output is used. Impact Developers...