CVE-2026-84460

The open-source helpdesk system Zammad is vulnerable to an authorization bypass in the TagsController#list component prior to version 7.1.2 . Any authenticated user can access a REST endpoint to retrieve tag names for specific tickets, even if they lack permission to view those tickets. Because t...

EUVD-2026-83900

MISP contains a stored cross-site scripting XSS vulnerability in the default theme's Galaxies index page. When a MISP instance detects unknown custom or default galaxy clusters during synchronization, it renders sample tag names in an informational notice directed at site administrators. In the...

CVE-2026-73848

Emlog is an open source website building system. In versions 2.6.29 and prior, tag names in emlog are not HTML-encoded when rendered in the article editor. An attacker can create a tag containing ';alertdocument.domain;//. The addslashes function does not escape HTML entities, so ' is stored as-i...

EUVD-2026-71626

Emlog is an open source website building system. In versions 2.6.29 and prior, tag names in emlog are not HTML-encoded when rendered in the article editor. An attacker can create a tag containing ';alertdocument.domain;//. The addslashes function does not escape HTML entities, so ' is stored as-i...

XML Injection

Overview @xmldom/xmldom is a javascript ponyfill to provide the following APIs that are present in modern browsers to other runtimes. Since version 0.7.0 this package is published to npm as @xmldom/xmldom and no longer as xmldom Affected versions of this package are vulnerable to XML Injection vi...

CVE-2026-79663 Ech0 before 4.7.3 Stored XSS via RSS feed tag names

Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS...

CVE-2026-79663 Ech0 before 4.7.3 Stored XSS via RSS feed tag names

Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS...

CVE-2026-79663

Ech0 before 4.7.3 is affected by a stored cross-site scripting vulnerability in its public RSS feed . Tag names and Markdown content are rendered without HTML escaping, allowing an attacker with admin privileges to inject malicious tag names or raw HTML into echo content. The injected script exec...

PT-2026-81282

Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS...

CVE-2026-7808: Improper Input Validation

justhtml before 1.16.0 contains multiple HTML sanitization bypass issues that can allow active/dangerous content e.g., script or style to survive sanitization, potentially leading to cross-site scripting. The issues primarily affect advanced usage rather than the default JustHTML..., sanitize=Tru...

PT-2026-84271

Name of the Vulnerable Software and Affected Versions @xmldom/xmldom versions prior to 0.8.14 @xmldom/xmldom versions prior to 0.9.11 xmldom versions 0.6.0 and earlier Description The Document.createElementtagName function stores an unvalidated element name, which is then emitted verbatim by...

CVE-2026-72732: Missing Authorization

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the discoursetemplates endpoint exposed hidden tag names because DiscourseTemplates::TemplatesSerializer in plugins/discourse-templates/app/serializers/discoursetemplates/templatesserializer.rb d...

GHSA-PMHH-3W7G-XQP8 jsoup: Cleaner may expose markup with custom raw-text elements

When a custom Safelist permits certain raw-text elements, jsoup may incorrectly sanitize malformed HTML containing a tag name that ends in a control character. The tag may acquire the parsing behavior of a different element, causing content that should remain text to be emitted as active markup...

EUVD-2026-52487

Microweber CMS through 2.0.20 contains a stored cross-site scripting vulnerability in the content tagging system that allows admin-authenticated attackers to inject arbitrary JavaScript by submitting malicious payloads via the tagnames parameter of the GET /api/savecontentadmin endpoint, bypassin...

Cross-site Scripting (XSS)

Overview microweber/microweber is a new generation CMS with drag and drop. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the tagnames parameter in the /api/savecontentadmin endpoint. An attacker can inject arbitrary JavaScript that is stored and executed for eve...

CVE-2026-67617

Microweber CMS through 2.0.20 contains a stored cross-site scripting vulnerability in the content tagging system that allows admin-authenticated attackers to inject arbitrary JavaScript by submitting malicious payloads via the tagnames parameter of the GET /api/savecontentadmin endpoint, bypassin...

CVE-2026-67617 Microweber CMS 2.0.20 Stored XSS via tag_names Parameter

Microweber CMS through 2.0.20 contains a stored cross-site scripting vulnerability in the content tagging system that allows admin-authenticated attackers to inject arbitrary JavaScript by submitting malicious payloads via the tagnames parameter of the GET /api/savecontentadmin endpoint, bypassin...

CVE-2026-67617

CVE-2026-67617 (Microweber CMS 2.0.20) describes a stored XSS in the content tagging system. An admin-authenticated attacker can inject arbitrary JavaScript by submitting payloads to the tag_names parameter of the GET /api/save_content_admin endpoint. The vulnerability allegedly bypasses three sa...

CVE-2026-67617 Microweber CMS 2.0.20 Stored XSS via tag_names Parameter

Microweber CMS through 2.0.20 contains a stored cross-site scripting vulnerability in the content tagging system that allows admin-authenticated attackers to inject arbitrary JavaScript by submitting malicious payloads via the tagnames parameter of the GET /api/savecontentadmin endpoint, bypassin...

CVE-2026-67617 Microweber CMS 2.0.20 Stored XSS via tag_names Parameter

Microweber CMS through 2.0.20 contains a stored cross-site scripting vulnerability in the content tagging system that allows admin-authenticated attackers to inject arbitrary JavaScript by submitting malicious payloads via the tagnames parameter of the GET /api/savecontentadmin endpoint, bypassin...