Cross-site Scripting (XSS)

Overview showdown is a JavaScript Markdown to HTML converter. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the parseHeaders function. An attacker can execute arbitrary scripts in the context of users viewing rendered markdown by injecting specially crafted table...

showdown allows stored cross-site scripting through table header ID injection

showdown contains a stored cross-site scripting vulnerability in the parseHeaders function of src/subParsers/makehtml/tables.js that fails to properly escape table header ID attributes. Attackers can inject arbitrary HTML and script-executing SVG elements through double-quote characters in markdo...

CVE-2026-59710

Showdown (the Showdown library) contains a stored XSS flaw in parseHeaders (src/subParsers/makehtml/tables.js) where table header ID attributes are not properly escaped. Attackers can inject arbitrary HTML and script-executing SVG elements through double-quote characters in Markdown table headers...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ipv6 module’s failure to check iter-nh when using RTANHID in the fib6addrt2node function. As ...