Cross-site Scripting (XSS)

Astro is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper HTML escaping of user-controlled values in transition:persist, transition:scope, and transition:persist-props directives, which allows an attacker to inject arbitrary HTML or JavaScript into the server-rendered...

CVE-2026-54498

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 4.0.0 until 4.12.0, ViewComponent::Basearoundrender can return HTML-unsafe strings that bypass the escaping behavior applied to normal call return values. This creates an XSS risk...

ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input

A flaw was found in ip-address, a JavaScript library for parsing and manipulating IPv4 and IPv6 addresses. This vulnerability allows a remote attacker to perform cross-site scripting XSS by providing untrusted input to the Address6 constructor. When an application renders the output of...

CVE-2026-57213

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmqfederationmanagement plugin renders the consumertag field on the Federation Status page without HTML escaping, allowing a user who can configure a federation upstream or policy to execute...

PT-2026-57298

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq federation management plugin renders the consumer tag field on the Federation Status page without HTML escaping, allowing a user who can configure a federation upstream or policy to execute...

DEBIAN-CVE-2026-59926

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, renderadmonition in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even...

CVE-2026-55437

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.17, 2.32.7, 2.33.8, and 2.34.2, the AgentLogLine dashboard component instantiated ansi-to-html without escapeXML: true and inserted the result via dangerouslySetInnerHTML so HTML embedded...

GHSA-CWV4-H3J5-W3CF rama has Stored XSS in ServeDir HTML directory listing via unescaped file names and URI path

Resolved: https://github.com/plabayo/rama/commit/89ddff578fd78bbebec99482d7030f28c07757a3 Summary plabayo/rama contains a stored/reflected cross-site scripting issue in the ServeDir HTML directory listing feature. When ServeDir is configured with DirectoryServeMode::HtmlFileList, file names and U...

PYSEC-2026-1937 Spotipy has a XSS vulnerability in its OAuth callback server

Summary XSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. Details Vulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGET The...

ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input

A flaw was found in ip-address, a JavaScript library for parsing and manipulating IPv4 and IPv6 addresses. This vulnerability allows a remote attacker to perform cross-site scripting XSS by providing untrusted input to the Address6 constructor. When an application renders the output of...

ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input

A flaw was found in ip-address, a JavaScript library for parsing and manipulating IPv4 and IPv6 addresses. This vulnerability allows a remote attacker to perform cross-site scripting XSS by providing untrusted input to the Address6 constructor. When an application renders the output of...

ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input

A flaw was found in ip-address, a JavaScript library for parsing and manipulating IPv4 and IPv6 addresses. This vulnerability allows a remote attacker to perform cross-site scripting XSS by providing untrusted input to the Address6 constructor. When an application renders the output of...

ALSA-2026:35891 Important: nodejs:24 security, bug fix, and enhancement update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input CVE-2026-42338 undici: undici: Denial of Service due to...

EUVD-2026-40923

The Download Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'nodatamsg' Shortcode Attribute in all versions up to, and including, 3.3.60 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2026-54025 LibreChat: Stored XSS via unescaped image alt text in markdown artifact preview

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, there is a vulnerability in LibreChat's markdown artifact preview pipeline. The marked library v15.0.12 does not HTML-escape double-quote characters in image alt text when a custom renderer falls throu...

CVE-2026-48942

Affected software: K2 extension for Joomla (getk2.com), version constraint listed as K2 ≤ 2.26. Vulnerability: two templates render the database column __#k2_users.image directly into HTML src attributes without HTML escaping, revealing a stored-XSS risk. Root cause: lack of escaping when injecti...

CVE-2026-48942

K2 ≤ 2.26 renders the k2users.image column directly into HTML src attributes via two distinct templates, in both cases without HTML escaping...

CVE-2026-48942

K2 ≤ 2.26 renders the k2users.image column directly into HTML src attributes via two distinct templates, in both cases without HTML escaping...

CVE-2026-48942 Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26

K2 ≤ 2.26 renders the k2users.image column directly into HTML src attributes via two distinct templates, in both cases without HTML escaping...

CVE-2026-48167

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, the ImageColumn and ImageEntry components render raw database values without escaping HTML. Where the data passed to these components isn't validated, an attacker could plant...