Cross-site Scripting (XSS)

Overview TinyMCE is a web-based JavaScript HTML WYSIWYG editor control. Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper handling of SVG namespace scope by the sanitizer. An attacker can execute arbitrary JavaScript by crafting a payload with nested SVG...

Cross-site Scripting (XSS)

Overview tinymce/tinymce is a web-based JavaScript HTML WYSIWYG editor control. Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper handling of SVG namespace scope by the sanitizer. An attacker can execute arbitrary JavaScript by crafting a payload with neste...

Symfony's HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — `javascript`: URI Survives Sanitization (XSS)

Description symfony/html-sanitizer lets applications sanitise untrusted HTML. UrlAttributeSanitizer is the visitor responsible for validating URL-valued attributes and stripping dangerous schemes from them; it runs on every element regardless of configuration. Whether an attribute is kept is...

GHSA-HHG7-C65M-H7FF Symfony's HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — `javascript`: URI Survives Sanitization (XSS)

Description symfony/html-sanitizer lets applications sanitise untrusted HTML. UrlAttributeSanitizer is the visitor responsible for validating URL-valued attributes and stripping dangerous schemes from them; it runs on every element regardless of configuration. Whether an attribute is kept is...

RLSA-2026:19348 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

CVE-2026-47760 TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs

TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This...

EUVD-2026-32732

The GutenBee – Gutenberg Blocks plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.20.1 via the gutenbeefileandextjson function. This is due to a flawed strpos substring check that only verifies whether the filename contains the string '.json' rath...

[SECURITY] Fedora 44 Update: nginx-mod-js-challenge-0^20230517.gitda6852d-8.fc44

Simple JavaScript proof-of-work based access for Nginx with virtually no over head...

CVE-2026-46509: Improperly Controlled Modification of Object Prototype Attributes

deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain proto/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3...

CVE-2026-47676: Inconsistent Interpretation of HTTP Requests

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21, app.mount strips the mount prefix from the incoming request path using the raw URL pathname, while route matching is performed against the percent-decoded path. This inconsistency causes the...

PT-2026-44211

A stored cross-site scripting XSS vulnerability exists in the notification panel of CTI Transmute in versions prior to the patched release. Notification messages containing user-controlled convert names were rendered in the notification bell dropdown using innerHTML without adequate sanitization...

PT-2026-44538

Name of the Vulnerable Software and Affected Versions ScadaBR version 1.2.0 Description Exposed methods allow authenticated users to create and execute arbitrary JavaScript code on the server. These scripts execute with full access, enabling complete system compromise as commands are executed as...

📄 WebFileSys 2.31.1 Cross Site Scripting

WebFileSys version 2.31.1 suffers from multiple cross site scripting vulnerabilities. CVE-2026-29971 An attacker can execute arbitrary JavaScript in the victim's browser, potentially leading to session hijacking or privilege escalation. CVE-2026-29971 Vulnerability Reflected Cross-Site Scripting...

Samsung Escargot security vulnerability

SAMSUNG Escargot is a memory-optimized JavaScript engine developed by South Korea’s Samsung Corporation. It is suitable for mid-range devices such as smartphones, tablets, and TVs. The version 36f5fb58366a67b713c02f6fd985e924fcc09e31 of SAMSUNG Escargot contains a security vulnerability caused by...

Google Chrome Microsoft Edge Code Execution

The vulnerability of JavaScript script handlers in Google Chrome and Microsoft Edge browsers relates to the ability to utilize memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CTI-Transmute security vulnerabilities

CTI-Transmute is an open-source network threat intelligence format conversion service developed by the MISP Project. CTI-Transmute has a security vulnerability. This vulnerability stems from the fact that the notification messages in the notification panel contain transition names that are...

AlmaLinux 10 : .NET 8.0 (ALSA-2026:21286)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:21286 advisory. serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization CVE-2026-34043 dotnet: .NET: infinit...

AlmaLinux 9 : .NET 8.0 (ALSA-2026:21293)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:21293 advisory. serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization CVE-2026-34043 dotnet: .NET: infinite...

PT-2026-118195

Уязвимость обработчика JavaScript-сценариев V8 браузеров Google Chrome и Microsoft Edge связана с небезопасным управлением привилегиями. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...