CVE-2026-52846 Caddy: stripHTML template function bypass

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

CVE-2026-52846 Caddy: stripHTML template function bypass

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

CVE-2026-52846

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

CVE-2026-52846

Summary: CVE-2026-52846 affects Caddy's stripHTML template function, which cannot reliably strip certain malformed HTML (e.g., <img src=x onerror=alert()>). This can bypass tag-stripping and may enable client-side XSS when untrusted strings are rendered as HTML. The issue originates in func...

CVE-2026-53662

immich is a high performance self-hosted photo and video management solution. From commit 4ffa26c9 until 4eb1003, a reflected cross-site scripting XSS vulnerability on the /auth/login page allows an attacker to fully compromise any authenticated user's account with a single link click. The contin...

CVE-2026-53662 immich: One-click account takeover via XSS in login page continue redirect

immich is a high performance self-hosted photo and video management solution. From commit 4ffa26c9 until 4eb1003, a reflected cross-site scripting XSS vulnerability on the /auth/login page allows an attacker to fully compromise any authenticated user's account with a single link click. The contin...

Gogs's Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Summary The Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with p.AllowURLSchemes"data" which permits all data URI schemes...

GHSA-3W28-36P9-W929 Gogs's Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Summary The Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with p.AllowURLSchemes"data" which permits all data URI schemes...

CVE-2026-44960

A stored XSS can be exploited by leveraging the usernames as an attack vector. When an admin user viewed the audit log details for affected entries, any malicious JavaScript payload embedded in the username would be executed due to missing output sanitisation. Proper escaping has been added to th...

GHSA-P6QX-GHXM-389H OctoPrint has XSS in its Suppressed Command Notifications

Impact OctoPrint versions up to and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Suppressed Command notifications popups generated by the printer. An attacker who successfully convinces a victim to...

OctoPrint has XSS in its Suppressed Command Notifications

Impact OctoPrint versions up to and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Suppressed Command notifications popups generated by the printer. An attacker who successfully convinces a victim to...

GHSA-VCM5-GVMP-78MP Gogs has DOM-based XSS via Milestone Name on New Issue Page

Summary The fix for GHSA-vgjm-2cpf-4g7c DOM-based XSS via milestone selection was only applied to templates/repo/issue/viewcontent.tmpl but not to templates/repo/issue/newform.tmpl. An attacker can store an HTML/JavaScript payload in a milestone name, and when any user opens the New Issue page an...

CVE-2026-54011 Open WebUI: Stored XSS in Mermaid Markdown Preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with...

CVE-2026-54013

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI patched SVG XSS in user profile images and webhook profile images but forgot to apply the same fix to model profile images. The ModelMeta class has no...

CVE-2026-54013

CVE-2026-54013 describes a stored XSS in Open WebUI where the model profile image URL could be a data:image/svg+xml;base64 payload. The root cause is missing input validation on ModelMeta.profile_image_url and missing output protections in the model image endpoint (no MIME allowlist, no nosniff, ...

WordPress WP Latest Posts plugin <= 5.0.11 - Authenticated (Author+) Stored Cross-Site Scripting vulnerability

Authenticated Author+ Stored Cross-Site Scripting vulnerability discovered by Muhammad Yudha - DJ in WordPress Plugin WP Latest Posts versions = 5.0.11...

WordPress MIR blocks and shortcodes plugin <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting vulnerability discovered by zakaria in WordPress Plugin MIR blocks and shortcodes versions = 1.0.0...

WordPress Avalon23 Products Filter for WooCommerce plugin <= 1.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting vulnerability discovered by Gilang - DJ in WordPress Plugin Avalon23 Products Filter for WooCommerce versions = 1.1.6...

WordPress Osiris Signature Banner plugin <= 0.5 - Cross-Site Request Forgery to Stored Cross-Site Scripting vulnerability

Cross-Site Request Forgery to Stored Cross-Site Scripting vulnerability discovered by Muhammad Nur Ibnu Hubab - Pondok Teknologi in WordPress Plugin Osiris Signature Banner versions = 0.5...

CVE-2026-54303

n8n is an open source workflow automation platform. Prior to 2.24.0, an endpoint in the Meta and Microsoft Teams trigger nodes reflects a query parameter into the HTTP response without sanitization or Content-Security-Policy headers, enabling reflected XSS in the n8n origin when a logged-in user...