Description

SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.

Remediation

References

https://github.com/sparksuite/simplemde-markdown-editor/issues/721

Related Vulnerabilities

CVE-2020-28279 Vulnerability in npm package flattenizer

CVE-2017-16140 Vulnerability in npm package lab6.brit95

CVE-2022-26336 Vulnerability in maven package org.apache.poi:poi-scratchpad

CVE-2023-5572 Vulnerability in npm package @vrite/sdk

CVE-2020-28437 Vulnerability in npm package heroku-env

Severity

High

Classification

CWE-79 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Exploit Issue Tracking Third Party Advisory