CVE-2026-42455

CVE-2026-42455 affects Linkwarden (self-hosted, open-source bookmark manager). For versions ≤ 2.14.0, the archive upload endpoint POST /api/v1/archives/[linkId]?format=4 accepts HTML files without sanitizing JavaScript content. When the archive is later retrieved via GET /api/v1/archives/[linkId]...

CVE-2026-42455 LinkWarden: Stored XSS via Client-Side Archive Upload (Unsanitized HTML served from same origin)

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. In versions 2.14.0 and prior, the archive upload endpoint POST /api/v1/archives/linkId?format=4 accepts HTML files text/html without sanitizing JavaScript content. When the archive i...

EUVD-2026-28872

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. In versions 2.14.0 and prior, the archive upload endpoint POST /api/v1/archives/linkId?format=4 accepts HTML files text/html without sanitizing JavaScript content. When the archive i...

CVE-2026-42455 LinkWarden: Stored XSS via Client-Side Archive Upload (Unsanitized HTML served from same origin)

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. In versions 2.14.0 and prior, the archive upload endpoint POST /api/v1/archives/linkId?format=4 accepts HTML files text/html without sanitizing JavaScript content. When the archive i...

MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl`

Summary The public catalogue UI served at GET / file internal/api/handlers/v0/uiindex.html is vulnerable to stored cross-site scripting via the server.websiteUrl field of any published server.json. Server-side validation in internal/validators/validators.go validateWebsiteURL only checks that the...

PT-2026-39263

Name of the Vulnerable Software and Affected Versions MCP Registry versions prior to 1.7.7 Description The public catalogue UI served at the 'GET /' endpoint is subject to stored cross-site scripting. This occurs via the server.websiteUrl field of published server.json files. The server-side...

PT-2026-39223

Name of the Vulnerable Software and Affected Versions Linkwarden versions prior to 2.14.0 Description The archive upload endpoint "POST /api/v1/archives/linkId?format=4" accepts HTML files without sanitizing JavaScript content. When the archive is accessed via "GET...

CVE-2025-31970

HCL DFXAnalytics is affected by an Insecure Security Header configuration vulnerability where the Content-Security-Policy does not define strict directives for object-src and base-uri, which could allow an attacker to exploit injection vectors such as Cross-Site Scripting XSS...

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues: Update to version 2.52.1. Security issues fixed: CVE-2026-20643: processing maliciously crafted web content may bypass Same Origin Policy bsc1261172. CVE-2026-20664: processing maliciously crafted web content may lead to an unexpected proces...

SUSE-SU-2026:1749-1 Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues: Update to version 2.52.1. Security issues fixed: - CVE-2026-20643: processing maliciously crafted web content may bypass Same Origin Policy bsc1261172. - CVE-2026-20664: processing maliciously crafted web content may lead to an unexpected...

webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced

A flaw was found in WebKitGTK. Processing malicious web content may prevent Content Security Policy from being enforced due to improper state management...

FileBrowser Vulnerable to Stored XSS via SVG File in Public Share (Missing CSP Header)

Summary FileBrowser Quantum serves inline SVG files without a Content-Security-Policy header, allowing embedded JavaScript in SVG files to execute when accessed via public share links. Verified on v1.3.0-stable. Affected product - Product: FileBrowser Quantum gtsteffaniak/filebrowser - Verified...

GHSA-MMPX-JH39-WRV6 FileBrowser Vulnerable to Stored XSS via SVG File in Public Share (Missing CSP Header)

Summary FileBrowser Quantum serves inline SVG files without a Content-Security-Policy header, allowing embedded JavaScript in SVG files to execute when accessed via public share links. Verified on v1.3.0-stable. Affected product - Product: FileBrowser Quantum gtsteffaniak/filebrowser - Verified...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the GET /public/api/resources/download endpoint when serving SVG files without a proper Content Security Policy header. An attacker can execute arbitrary JavaScript in the context of users' browsers by...

Weblate vulnerable to XSS via crafted Markdown

Impact The Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. Patches https://github.com/WeblateOrg/weblate/pull/19259 Workarounds Even though the attacker might be able to inject code into the HTML, the Weblate's strict CSP should...

Cross-site Scripting (XSS)

Overview weblate is an A web-based continuous localization system with tight version control integration Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Markdown renderer used for user comments and other user-provided content due to improper sanitization of...

RHEL 9 : webkit2gtk3 (RHSA-2026:14659)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14659 advisory. WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: webkitgtk: Processing maliciously...

PT-2026-38401

Name of the Vulnerable Software and Affected Versions Weblate versions prior to 5.17.1 Description The Markdown renderer used in user comments and other user-provided content fails to properly sanitize certain attributes, which could allow the injection of code into the HTML. Recommendations Upda...

phpMyFAQ has stored XSS via Utils::parseUrl() in comment rendering

Summary A stored XSS vulnerability in the comment rendering pipeline allows an authenticated user to inject JavaScript that executes for every visitor of an affected FAQ or News page. An attacker with a registered account can steal admin session cookies and take over the application. Details...

EUVD-2025-209699

HCL BigFix Service Management SM is affected by a security misconfiguration vulnerability due to CSP header. This could allow attackers to inject malicious scripts increasing the risk of cross-site scripting XSS and potential exposure of sensitive information...