Skip to content
Threat Feed

Tag

Javascript

11 briefs RSS
medium advisory

xmldom Uncontrolled Recursion DoS Vulnerability

The xmldom library is vulnerable to a denial-of-service (DoS) attack due to uncontrolled recursion in XML serialization leading to application crashes.

xmldom dos recursion javascript
2r 1t
high advisory

brikcss merge Prototype Pollution Vulnerability (CVE-2026-6594)

A prototype pollution vulnerability (CVE-2026-6594) in brikcss merge up to version 1.3.0 allows remote attackers to modify object prototype attributes by manipulating the __proto__/constructor.prototype/prototype argument.

prototype-pollution javascript code-injection cve-2026-6594
2r 2t 1c
critical advisory

Axios NPM Supply Chain Attack Delivering Platform-Specific RATs

A supply chain attack on the Axios NPM package injected malicious code into versions v1.14.1 and v0.30.4, leading to the deployment of platform-specific remote access trojans (RATs) after the installation of a rogue dependency that communicated with attacker-controlled infrastructure to retrieve malicious payloads for Windows, MacOS, and Linux.

supply-chain npm javascript rat
2r 5t 7i
high advisory

Electron VideoFrame Context Isolation Bypass Vulnerability (CVE-2026-34780)

A context isolation bypass vulnerability exists in Electron applications that bridge VideoFrame objects via contextBridge, potentially allowing an attacker with JavaScript execution in the main world to access the isolated world and Node.js APIs.

electron context-isolation javascript xss CVE-2026-34780 defense-evasion privilege-escalation
2r 2t 1c
critical advisory

SandboxJS Integrity Escape Vulnerability

A sandbox integrity escape vulnerability exists in SandboxJS versions prior to 0.8.36, allowing untrusted code to bypass global write protections and mutate host shared global objects, potentially leading to cross-context persistence and broader compromise.

sandbox-escape javascript vulnerability
2r 2t
high advisory

Axios npm Package Compromised in Supply Chain Attack

The widely used Axios npm package was compromised via a supply chain attack on March 31, 2026, resulting in the publication of malicious versions through a compromised maintainer account.

supply-chain npm javascript
2r 1t
high advisory

Forge Ed25519 Signature Forgery Vulnerability

Forge is vulnerable to signature forgery in Ed25519 due to a missing check that S < L, allowing non-canonical signatures and potentially bypassing authentication/authorization logic, affecting versions before 1.4.0.

ed25519 signature-forgery forge javascript
2r 1t
critical advisory

Mozilla Firefox and Thunderbird Use-After-Free Vulnerability (CVE-2026-4723)

A use-after-free vulnerability, CVE-2026-4723, in the JavaScript Engine of Mozilla Firefox and Thunderbird before version 149 could allow arbitrary code execution if successfully exploited by an attacker.

use-after-free firefox thunderbird javascript cve-2026-4723
2r 1t
high advisory

Jsrsasign Infinite Loop Vulnerability (CVE-2026-4598)

Jsrsasign versions before 11.1.1 are vulnerable to an infinite loop via the bnModInverse function when processing zero or negative inputs, potentially leading to a denial of service.

denial-of-service javascript node.js jsrsasign vulnerability
2r 1t
medium advisory

Denial of Service Vulnerability in marked via Infinite Recursion

A denial of service vulnerability exists in marked version 18.0.0 due to infinite recursion when processing a specific 3-byte sequence (tab, vertical tab, and newline), leading to unbounded memory allocation and application crash.

marked denial-of-service javascript vulnerability
2r 1t
high advisory

locize Client SDK Cross-Origin DOM XSS and Handler Hijack Vulnerability

The locize client SDK versions prior to 4.0.21 are vulnerable to cross-origin DOM XSS and handler hijack due to missing origin validation in the InContext Editor, allowing attackers to inject malicious code and exfiltrate data via crafted postMessage events.

locize client SDK xss dom-xss postMessage locize javascript
2r 1t