CVE-2026-9309

Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScrip...

CVE-2026-43979

Local Deep Research is an AI-powered research assistant for deep, iterative research. Prior to 1.6.0, PDFService.markdowntohtml constructs an HTML document by interpolating user-controlled values — specifically title sourced from research.title or research.query and metadata key-value pairs —...

CVE-2026-40296

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. The HTML writer skips htmlspecialchars escaping when a cell's formatted value differs from the original value. When a cell has a custom number format containing the text placeholder @ along with any additional literal...

CVE-2026-44903

Prometheus is an open-source monitoring system and time series database. From 2.49.0 to before 3.5.3 and 3.11.3, in the Prometheus server's legacy web UI enabled via the command-line flag --enable-feature=old-ui, the histogram heatmap chart view does not escape le label values when inserting them...

CVE-2026-42197

RELATE is a web-based courseware package. Versions prior to commit 555f0efb1c5bd7531c07cd73724d7e566a81f620 have a stored cross-site scripting vulnerability that allows any enrolled student to execute arbitrary JavaScript in an administrator's browser session, potentially leading to full admin...

USN-8377-1: Template-Toolkit vulnerability

It was discovered that Template-Toolkit did not properly escape single quotes in the htmlfilter function of Template::Plugin::HTML. An attacker could possibly use this issue to inject arbitrary HTML and JavaScript into generated output...

EUVD-2026-33630

Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScrip...

CVE-2026-9309

Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScrip...

openSUSE 16 Security Update : python-mistune (openSUSE-SU-2026:20827-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20827-1 advisory. This update for python-mistune fixes the following issues - CVE-2026-33079: ReDoS in LINKTITLERE can lead to denial of service via a crafted...

EUVD-2026-32972

MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect repeated radio range to execute arbitrary javascript in the Home Assistant frontend of anyone...

CVE-2026-45323 MeshCore Card: XSS vulnerability through meshcore node name

MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect repeated radio range to execute arbitrary javascript in the Home Assistant frontend of anyone...

CVE-2026-45323

MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect repeated radio range to execute arbitrary javascript in the Home Assistant frontend of anyone...

SUSE-SU-2026:21858-1 Security update for python-mistune

This update for python-mistune fixes the following issues - CVE-2026-33079: ReDoS in LINKTITLERE can lead to denial of service via a crafted Markdown bsc1264347. - CVE-2026-33441: processing of malformed reference links can lead to excessive resource consumption and denial of service bsc1264752. ...

OPENSUSE-SU-2026:20827-1 Security update for python-mistune

This update for python-mistune fixes the following issues - CVE-2026-33079: ReDoS in LINKTITLERE can lead to denial of service via a crafted Markdown bsc1264347. - CVE-2026-33441: processing of malformed reference links can lead to excessive resource consumption and denial of service bsc1264752. ...

PT-2026-44460

Name of the Vulnerable Software and Affected Versions MeshCore Card versions prior to 0.3.3 Description MeshCore Card provides a Lovelace card for Home Assistant. Node names are rendered without HTML escaping in the meshcore-card component, which allows any node within direct or indirect radio...

Symfony Vulnerable to stored XSS in WebProfiler CodeExtension::fileExcerpt() — Unescaped Non-PHP File Rendering

Description Symfony's profiler, a development only debug UI, renders source-code excerpts on several pages using Twig's custom fileexcerpt filter. This filter renders PHP files via highlightstring which escapes HTML, but renders non-PHP files by splitting on \n and interpolating each line directl...

DEBIAN-CVE-2026-44708

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the mistune math plugin renders inline math $...$ and block math $$...$$ by concatenating the raw user-supplied content directly into the HTML output without any HTML escaping. This occurs even when the parser is...

CVE-2026-44708

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the mistune math plugin renders inline math $...$ and block math $$...$$ by concatenating the raw user-supplied content directly into the HTML output without any HTML escaping. This occurs even when the parser is...

CVE-2026-44708

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the mistune math plugin renders inline math $...$ and block math $$...$$ by concatenating the raw user-supplied content directly into the HTML output without any HTML escaping. This occurs even when the parser is...

CVE-2026-44896 Mistune: XSS via unescaped figclass/figwidth in Figure directive

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...