CVE-2026-59711 - CERT CVE
ID CVE-2026-59711
Sažetak showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into HTML title tags, enabling attackers to break out of the title context and execute malicious scripts in the rendered page.
Reference
CVSS
Base: 6.1
Impact: 2.7
Exploitability:2.8
Pristup
VektorSloženostAutentikacija
NETWORK LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
LOW LOW NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Zadnje važnije ažuriranje 06-07-2026 - 21:16
Objavljeno 06-07-2026 - 21:16