CVE-2026-48307 ColdFusion | Cross-site Scripting (Reflected XSS) (CWE-79)

High 8.8 Published 30 Jun 2026 Updated 27 Aug 2026

Attackers can inject malicious scripts via reflected XSS in Adobe ColdFusion, leading to arbitrary code execution in the victim's browser context.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-48307?

CVE-2026-48307 is a high-severity cross-site scripting vulnerability in Adobe Coldfusion, published on 30 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

ColdFusion versions 2025.9, 2023.20 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially resulting in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious link. Scope is changed.

Weakness: CWE-79

Which versions are affected by CVE-2026-48307?

It affects 1 product.

Products include Adobe Coldfusion.

How do I fix CVE-2026-48307?

No fix has been published for CVE-2026-48307 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-48307 being exploited?

There is no known exploitation of CVE-2026-48307 in the wild and no public exploit code.

All Adobe Coldfusion vulnerabilities

Sources

Also known as GHSA-66r6-8679-j6vq.