CVE-2021-21447 Cross-site scripting in SAP BusinessObjects Business Intelligence platform (Web Intelligence HTML interface)

Medium 5.4 Published 12 Jan 2021 Updated 3 Aug 2024

An authenticated attacker can inject malicious JavaScript into Input Controls, leading to stored XSS that executes in victims' browsers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-21447?

CVE-2021-21447 is a medium-severity cross-site scripting vulnerability in SAP BusinessObjects Business Intelligence platform (Web Intelligence HTML interface), published on 12 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

SAP BusinessObjects Business Intelligence platform, versions 410, 420, allows an authenticated attacker to inject malicious JavaScript payload into the custom value input field of an Input Control, which can be executed by User who views the relevant application content, which leads to Stored Cross-Site Scripting.

Weakness: CWE-79

Which versions are affected by CVE-2021-21447?

It affects 1 product.

Products include Sap Businessobjects Business Intelligence.

How do I fix CVE-2021-21447?

No fix has been published for CVE-2021-21447 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-2021-21447 being exploited?

There is no known exploitation of CVE-2021-21447 in the wild and no public exploit code.

Sources

Also known as GHSA-8w66-g4m4-h3qv.