CVE-2026-104477 | CVSS: 6.1 | 严重级别: MEDIUM
Showdown through 2.1.0 contains a cross-site scripting vulnerability in the makehtml link and image subparsers, which fail to escape double quotes in destination URLs placed into href and src attributes. Attackers can craft markdown links or images containing a double quote followed by onerror or onmouseover handlers to execute script when victims view rendered HTML.
参考链接:
• https://github.com/showdownjs/showdown
• https://github.com/showdownjs/showdown/commit/4fb992cd26631c108ec0410342630c8020
• https://www.vulncheck.com/advisories/showdown-through-2.1.0-xss-via-unescaped-qu
📌 数据来源: NVD 官方
⚠️ 合规声明: 本文内容仅用于网络安全合规学习、科研与授权测试用途。严禁用于任何未授权行为,违者自行承担全部法律责任。