CVE-2021-21087

—

CVSS 3.1

5.4 medium

EPSS

37%p98

Published

Apr 15, 2021 (Apr 15, 2021)

Modified

Jun 17, 2026

Description

Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. An attacker could abuse this vulnerability to execute arbitrary JavaScript code in context of the current user. Exploitation of this issue requires user interaction.

Vendors: adobe
Products: coldfusion
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (37.1%)

In the news1 stories

Adobe addresses a critical vulnerability in ColdFusion product

Security AffairsMar 22, 20:42 UTC · Mar 22, 2021Vulnerability CVE-2021-21087 CVE-2021-20187