CVE-2026-48307: ColdFusion versions 2025.9, 2023.20 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnera

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HIGH 8.8DOWNGRADE

CVE-2026-48307 is a high-severity flaw (CVSS 8.8) affecting coldfusion. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-06-30
Last modified	2026-10-25

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-30 16:16 UTCPublished CVE record published
2026-10-25 21:10 UTCUpdated Record last modified

adobe coldfusion DOWNGRADE

Affected: 2023 · 2023 update1 · 2023 update10 · 2023 update11 · 2023 update12 · 2023 update13 · 2023 update14 · 2023 update15

Fixed in: no fixed release known

Safe to downgrade to: a release before 2023

1. Check installed version

apt-cache policy coldfusion || rpm -q coldfusion || coldfusion --version

2. No fixed release: DOWNGRADE to a release before 2023 (Debian / Ubuntu)

apt-cache madison coldfusion sudo apt install coldfusion=<VERSION_BEFORE_2023> sudo apt-mark hold coldfusion

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list coldfusion sudo dnf downgrade coldfusion-<VERSION_BEFORE_2023> sudo dnf versionlock add coldfusion

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-48307?

coldfusion: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-48307 being exploited?

CVE-2026-48307 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-48307 affect?

CVE-2026-48307 affects coldfusion. Severity is high (CVSS 8.8). 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 arbitra

How urgent is CVE-2026-48307?

Priority 42/100. High severity

Software pages

Adobe ColdFusion vulnerabilities

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References

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