CVE-2026-21269: Adobe ColdFusion

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

ColdFusion is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.

Affected products

• Adobe ColdFusion: version 2023 only; version 2025 only

Published 2026-08-11. Last modified 2026-09-08.