Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

The vulnerability of the JavaScript Engine component in web browsers Firefox ESR, Firefox, and the email client Thunderbird allows a hacker to trigger a service failure.

The vulnerability of the JavaScript Engine component in Firefox ESR, Firefox, and the Thunderbird email client relates to access to an uninitialized pointer. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability of the JavaScript Engine component in web browsers Firefox ESR, Firefox, and the email client Thunderbird allows a hacker to trigger a service failure.

The vulnerability of the JavaScript Engine component in Firefox ESR web browsers, Firefox browsers, and the Thunderbird email client is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the JavaScript Engine component in the Firefox web browser and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the JavaScript Engine component in the Firefox web browser and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the JavaScript Engine component in web browsers Firefox ESR, Firefox, and the email client Thunderbird allows a hacker to trigger a service failure.

The vulnerability of the JavaScript Engine component in Firefox ESR web browsers, Firefox browsers, and the Thunderbird email client is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-5388

justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers cleanurlvalue/cleanurlinjsstring, HTML serialization, Markdown passthrough htmlpassthrough=True, and several custom sanitization-policy edge cases. Depending on configuration, an attacker can bypass sanitization ...

CVE-2026-5388 justhtml before 1.15.0 Multiple Security Issues

justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers cleanurlvalue/cleanurlinjsstring, HTML serialization, Markdown passthrough htmlpassthrough=True, and several custom sanitization-policy edge cases. Depending on configuration, an attacker can bypass sanitization ...

CVE-2026-5388

justhtml (Python HTML sanitizer library) before 1.15.0 contains multiple sanitization bypass vulnerabilities across URL sanitization helpers, HTML serialization, Markdown passthrough, and custom policy edge cases. Attackers can inject active HTML and JavaScript via vectors such as encoded javascr...

EUVD-2026-64652

justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers cleanurlvalue/cleanurlinjsstring, HTML serialization, Markdown passthrough htmlpassthrough=True, and several custom sanitization-policy edge cases. Depending on configuration, an attacker can bypass sanitization ...

CVE-2026-5388 justhtml before 1.15.0 Multiple Security Issues

justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers cleanurlvalue/cleanurlinjsstring, HTML serialization, Markdown passthrough htmlpassthrough=True, and several custom sanitization-policy edge cases. Depending on configuration, an attacker can bypass sanitization ...

CVE-2026-41846

CVE-2026-41846...

CVE-2026-41845

CVE-2026-41845...

PT-2026-79769

justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers clean url value/clean url in js string, HTML serialization, Markdown passthrough html passthrough=True, and several custom sanitization-policy edge cases. Depending on configuration, an attacker can bypass...

dompurify: DOMPurify: URI validation bypass leads to cross-site scripting

A flaw was found in DOMPurify. An attacker can bypass URI validation by providing a specially crafted predicate function via EXTRAELEMENTHANDLING.attributeCheck. This allows unsafe protocols, such as javascript:, to persist after sanitization, potentially leading to DOM-based cross-site scripting...

CVE-2026-66917

Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser...

EUVD-2026-64248

Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser...

CVE-2026-66917

JoomGallery (a Joomla extension) versions prior to 4.3.1 are affected by a Stored Cross-Site Scripting (XSS) vulnerability. An authenticated user with privileged access can embed an XSS payload in any image, resulting in JavaScript execution in the browser of every visitor who views the affected ...

CVE-2026-66917 Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0

Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser...

CVE-2026-76789

CVE-2026-76789 is an unauthenticated stored XSS in the Slider Hero with Video Background, Animation WordPress plugin (versions before 9.1.3 ). Two request handlers — the Slider Type Change and Add-Slider handlers — lack proper authorisation and nonce checks , and a stored setting is not escaped b...