CVE-2026-59710

ADVISORY - github

Summary

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 markdown table headers, achieving stored XSS when untrusted markdown is rendered with the default github flavor configuration.

EPSS Score⁠: 0.00198 (0.097)

Common Weakness Enumeration (CWE)

ADVISORY - github

CWE-79⁠

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Impacted images

Advisories

Sign in to Docker Scout

See which of your images are affected by this CVE and how to fix them by signing into Docker Scout.