Kestra vulnerable to stored XSS via custom Markdown [[link]] attribute injection

Summary Kestra’s Markdown renderer supports a custom link ... syntax that is converted into a custom HTML element. The custom Markdown parser allows attacker-controlled attributes to be rendered into the generated element without proper allowlisting or sanitization. As a result, a user who can...

CVE-2026-55839 Kestra: Stored XSS via custom Markdown [[link]] attribute injection

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

CVE-2026-45733

Trilium Notes is a cross-platform, hierarchical note taking application focused on building large personal knowledge bases. Prior to 0.103.0, the iconClass label value is returned raw by getNoteIcon and inserted without HTML attribute encoding into class attributes in...

EUVD-2026-60825

Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Prior to 2.1.17, Trix is vulnerable to cross-site scripting when a data-trix-serialized-attributes attribute bypasses the DOMPurify sanitizer. An attacker can craft HTML containing a data-trix-serialized-attributes...

CVE-2026-66643

Contributor Cross Site Scripting XSS in Wufoo Shortcode = 1.55 versions...

CVE-2026-75828

Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss function where unpaired quotes in unquoted attribute values bypass event-handler detection. Authenticated editors can inject event handlers like onerror= that pass validation and execute in visitor browsers...

CVE-2026-75828

Grav before 2.0.15 has a stored XSS flaw in its detectXss() sanitizer: unpaired quotes in unquoted attribute values let authenticated editors inject event handlers like onerror= that bypass validation and execute in visitor browsers. CVSS 4.0 scores this critical (9.3). Upgrade to Grav 2.0.15 to ...

EUVD-2026-60592

Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss function where unpaired quotes in unquoted attribute values bypass event-handler detection. Authenticated editors can inject event handlers like onerror= that pass validation and execute in visitor browsers...

Header Footer Code Manager < 1.1.24 - Cross-Site Scripting

The Header Footer Code Manager WordPress plugin before 1.1.24 does not escape generated URLs before outputting them back in attributes in an admin page, leading to a Reflected Cross-Site Scripting. id: CVE-2022-0899 info: name: Header Footer Code Manager 1.1.24 - Cross-Site Scripting author:...

PT-2026-77141

Trilium Notes is a cross-platform, hierarchical note taking application focused on building large personal knowledge bases. Prior to 0.103.0, the iconClass label value is returned raw by getNoteIcon and inserted without HTML attribute encoding into class attributes in apps/client/src/widgets/quic...

PT-2026-76928

Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss function where unpaired quotes in unquoted attribute values bypass event-handler detection. Authenticated editors can inject event handlers like onerror= that pass validation and execute in visitor browsers...

CVE-2026-75531

Pandora contains a stored cross-site scripting XSS vulnerability in the rendering of URL observables. A URL extracted from or associated with an analyzed file was inserted directly into the inline JavaScript onclick handler used by the Submit to Lookyloo action. Although the value was subject to...

CVE-2026-75531 Stored Cross-Site Scripting in URL Observables via Lookyloo Submission Handler in Pandora

Pandora contains a stored cross-site scripting XSS vulnerability in the rendering of URL observables. A URL extracted from or associated with an analyzed file was inserted directly into the inline JavaScript onclick handler used by the Submit to Lookyloo action. Although the value was subject to...

CVE-2026-75003

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation...

CVE-2026-75000

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation...

CVE-2026-74867

SiYuan versions before 3.7.4 contain a cross-site request forgery vulnerability in the session-cookie authentication branch of CheckAuth that lacks Origin/Referer validation and sets no explicit SameSite attribute on session cookies. Attackers can craft malicious web pages that perform unauthoriz...

CVE-2026-65913

A flaw was found in DOMPurify. This prototype pollution vulnerability, specifically when operating in USEPROFILES mode, allows a remote attacker to bypass attribute filtering. By manipulating Array.prototype properties, an attacker can cause DOMPurify to accept event handlers as allowed attribute...

BIT-DISCOURSE-2026-72720 Discourse: HTML injection in PrettyText.format_for_email from cooked-attribute reparsing

Discourse is an open-source discussion platform. Prior to 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0, Discourse has HTML injection in PrettyText.formatforemail because cooked attribute values are reparsed as markup. Crafted Vimeo iframe sources, secure-upload URLs or dimensions, and hashtag...

ManageEngine ADSelfService Plus <6121 - Stored Cross-Site Scripting

ManageEngine ADSelfService Plus before 6121 contains a stored cross-site scripting vulnerability via the welcome name attribute to the Reset Password, Unlock Account, or User Must Change Password screens. id: CVE-2022-24681 info: name: ManageEngine ADSelfService Plus 6121 - Stored Cross-Site...

PT-2026-76828

Pandora contains a stored cross-site scripting XSS vulnerability in the rendering of URL observables. A URL extracted from or associated with an analyzed file was inserted directly into the inline JavaScript onclick handler used by the Submit to Lookyloo action. Although the value was subject to...