Security Bulletin: IBM App Connect Enterprise is vulnerable to Cross-site Scripting due to Node.js modules ip-address and sanitize-html (CVE-2026-53606 & CVE-2026-42338)

Summary IBM App Connect Enterprise runtime, IBM App Connect Enterprise Discovery Connectors and IBM App Connect Enterprise Connector Discovery and OpenAPI Editor are vulnerable to Cross-site Scripting due to Node.js modules ip-address and sanitize-html. Vulnerability Details CVEID:CVE-2026-53606...

SUSE CVE-2026-53606

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

EUVD-2026-40444

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

CVE-2026-56356

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

CVE-2026-56356

Summary: CVE-2026-56356 affects n8n’s Chat Trigger node Custom CSS field, where a misconfiguration of the sanitize-html library allows stored XSS. Affected versions: before 1.123.27; 2.0.0–2.13.2; 2.14.0. Impact: an authenticated user with workflow creation/modification rights can inject JavaScri...

CVE-2026-56356 n8n - Stored Cross-Site Scripting in Chat Trigger Node Custom CSS Field

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

CVE-2026-56356 n8n - Stored Cross-Site Scripting in Chat Trigger Node Custom CSS Field

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

CVE-2026-56356

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

CVE-2026-53606

A flaw was found in sanitize-html, an HTML sanitizer library. This vulnerability allows a remote attacker to perform Cross-Site Scripting XSS attacks. The issue occurs because the sanitizer does not properly validate dangerous URI schemes, such as javascript:, when they are used in certain HTML...

CVE-2026-56356: Improper Neutralization of Input During Web Page Generation

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

PT-2026-54040

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.27 n8n versions 2.0.0 through 2.13.2 n8n version 2.14.0 Description A stored cross-site scripting issue exists in the Chat Trigger node's Custom CSS field caused by a misconfiguration of the sanitize-html library. A...

CVE-2026-44990

A flaw was found in the sanitize-html library. Under its default configuration, an attacker can embed malicious content within a disallowed xmp element. This vulnerability allows the attacker to bypass the HTML sanitization process, leading to stored Cross-Site Scripting XSS. Successful...

SUSE CVE-2026-40186

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

org.webjars.npm:github-com-daichirata-vue-sanitize (0.2.2), org.webjars.npm:github-com-daichirata-vue-sanitize- (0.2.2) potentially affected by CVE-2026-53606 via org.webjars.npm:sanitize-html (2.7.0)

org.webjars.npm:sanitize-html MAVEN version 2.7.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.webjars.npm:sanitize-html and may be impacted: - org.webjars.npm:github-com-daichirata-vue-sanitize 0.2.2 -...

7ghost (>=4.11.0, <=4.11.46), @21epub/text-block (>=0.0.1, <=1.2.1) +1992 more potentially affected by CVE-2026-53606 via sanitize-html (>=2.1.0, <=2.17.4)

sanitize-html NPM version =2.1.0, =4.11.0, =0.0.1, =5.0.2, =0.0.1, =3.0.0, =1.3.0, =1.0.0, =1.38.0, =1.3.2, =1.0.1, =1.6.0 and more Source cves: CVE-2026-53606 Source advisory: SNYK:JS-SANITIZEHTML-17337018...

Cross-site Scripting (XSS)

Overview sanitize-html is a library that allows you to clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis Affected versions of this package are vulnerable to Cross-site Scripting XSS incomplete validation of URI schemes in attributes su...

CVE-2026-53606

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-44990

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...

08cms (1.0.0), 10secondsofcode-custom (1.0.0) +4766 more potentially affected by CVE-2026-53606 via sanitize-html (>=0.1.4, <=2.17.4)

sanitize-html NPM version =0.1.4, =1.0.0, =4.11.0, =1.0.0, =1.0.0, =0.0.1, =0.6.0, =5.0.2, =0.0.1, =0.1.0, =0.1.0, =11.1.0, =1.3.0, =1.3.6 and more Source cves: CVE-2026-53606 Source advisory: MEND:CVE-2026-53606...

CVE-2026-53606

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use "allowedSchemesAppliedToAttributes" default: "'href', 'src', 'cite'" to gate the "naughtyHref" function that blocks...