CVE-2021-21087

ColdFusion Improper neutralization of web input during page generation could lead to arbitrary JavaScript execution in the browser

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 82.54% Top 5%
Vendor Advisory adobe.com
Affected: Adobe ColdFusion
Published at:
Updated at:

References

Link Tags
https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21087?
CVE-2021-21087 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21087?
To fix CVE-2021-21087, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21087 being actively exploited in the wild?
It is possible that CVE-2021-21087 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~83% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21087?
CVE-2021-21087 affects Adobe ColdFusion.
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