Decidim: HTML content blocks allow stored script execution

Description A privileged admin user who can edit an affected landing page can store arbitrary HTML/JavaScript in an HTML block, and the public page renders it with htmlsafe and no output escaping. Technical description This issue lets any admin who can edit an affected landing page store arbitrar...

PYSEC-2026-2759 Open WebUI: Stored XSS in Mermaid Markdown Preview

Summary 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 securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working paylo...

PYSEC-2026-2618 malla: Stored XSS via Meshtastic node names in multiple frontend pages

Node names longname, shortname received via MQTT are stored in SQLite without sanitization and rendered into the DOM without escaping. Any participant on a public Meshtastic MQTT broker can set a malicious node name that executes JavaScript in the browser of every Malla dashboard visitor. Affecte...

PYSEC-2026-2425 compliance-trestle Vulnerable to Remote Code Execution via Recursive Server-Side Template Injection (SSTI)

A High severity Server-Side Template Injection SSTI vulnerability exists in the trestle author jinja command. The command recursively evaluates rendered templates, allowing an attacker to achieve arbitrary command execution with privileges of the running process by injecting malicious payloads in...

PYSEC-2026-2731 Open WebUI has stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Related advisory This advisory tracks a regression of the original Excel-preview XSS that was publicly disclosed and patched under GHSA-jwf8-pv5p-vhmc patched in v0.8.0. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify — was reintroduced sometime...

PYSEC-2026-2704 Open WebUI has stored XSS via the HTML renedering view

Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...

PYSEC-2026-2744 Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

PYSEC-2026-2993 PyLoad vulnerable to unauthenticated traceback disclosure via global exception handler in WebUI

Summary pyload-ng WebUI returns full Python traceback details to clients on unhandled exceptions. Because /web/ is reachable without authentication and renders attacker-controlled template names, an unauthenticated user can reliably trigger a server exception for example by requesting a...

beets has a Cross-site Scripting vulnerability

During code logic analyis, an area that may lead to unintended behavior under specific conditions was discovered. Overview- Verified Version: 80cd21554124da07d17a4f962c7d770a4f70d0f2- Vulnerability Type: Stored XSS- Affected Location: beetsplug/web/templates/index.html:42- Trigger Scenario:...

PYSEC-2026-2397 beets has a Cross-site Scripting vulnerability

During code logic analyis, an area that may lead to unintended behavior under specific conditions was discovered. Overview - Verified Version: 80cd21554124da07d17a4f962c7d770a4f70d0f2 - Vulnerability Type: Stored XSS - Affected Location: beetsplug/web/templates/index.html:42 - Trigger Scenario:...

PYSEC-2026-2910 PraisonAI Vulnerable to Stored XSS via Unsanitized Agent Output in HTML Rendering (nh3 Not a Required Dependency)

Summary The Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

CVE-2026-15548

A security vulnerability has been detected in Shibby Tomato up to 1.28.0000. This vulnerability affects the function sub407220 of the file /usr/sbin/httpd of the component DNS List Rendering. The manipulation leads to stack-based buffer overflow. The attack is possible to be carried out remotely...

CVE-2026-15548 Shibby Tomato DNS List Rendering httpd sub_407220 stack-based overflow

A security vulnerability has been detected in Shibby Tomato up to 1.28.0000. This vulnerability affects the function sub407220 of the file /usr/sbin/httpd of the component DNS List Rendering. The manipulation leads to stack-based buffer overflow. The attack is possible to be carried out remotely...

CVE-2026-15548

CVE-2026-15548 affects Shibby Tomato up to version 1.28.0000. The flaw resides in the DNS List Rendering component, specifically the function sub_407220 in /usr/sbin/httpd, where a stack-based buffer overflow can be triggered remotely. The vulnerability is described across multiple sources as ena...

CVE-2026-14453 A user with low privileges can inject SSTI templates that can lead to RCE in open-tickets

This vulnerability is a critical Server-Side Template Injection SSTI in Centreon's centreon-open-tickets module that leads to Remote Code Execution. The messageconfirm field is stored without sanitization and rendered via Smarty with no security policy enabled, allowing any authenticated user, to...

CVE-2026-15551 Samsung rlottie: Numeric truncation in gray_hline() leads to heap-based buffer overflow when rendering a crafted Lottie animation at native canvas size

Integer overflow or wraparound vulnerability in Samsung Open Source rlottie allows Overflow Buffers. This issue affects...

PT-2026-59074

During code logic analyis, an area that may lead to unintended behavior under specific conditions was discovered. Overview - Verified Version: 80cd21554124da07d17a4f962c7d770a4f70d0f2 - Vulnerability Type: Stored XSS - Affected Location: beetsplug/web/templates/index.html:42 - Trigger Scenario:...

Decidim - HTML content blocks allow stored script execution

Description A privileged admin user who can edit an affected landing page can store arbitrary HTML/JavaScript in an HTML block, and the public page renders it with htmlsafe and no output escaping. Impact - A user with landing-page editing rights for an affected scope can persist JavaScript that...

Fedora 44 : webkitgtk (2026-3bc4b3ccb3)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3bc4b3ccb3 advisory. Fire scrollend event for instant programmatic scrolls. Increase network idle connection timeout to 115 seconds. Fix several crashes and rendering...

Chromium: CVE-2026-14412 Insufficient validation of untrusted input in ANGLE

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...