CVE-2023-21891 Cross-site scripting in Business Intelligence Enterprise Edition

Medium 5.4 Published 17 Jan 2023 Updated 17 Sep 2024

Low-privileged attackers can exploit a cross-site scripting flaw in Oracle BI to read and modify data, requiring user interaction.

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-2023-21891?

CVE-2023-21891 is a medium-severity cross-site scripting vulnerability in Oracle Business Intelligence, published on 17 Jan 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Fusion Middleware (component: Visual Analyzer). Supported versions that are affected are 5.9.0.0.0 and 6.4.0.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Business Intelligence Enterprise Edition, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Business Intelligence Enterprise Edition accessible data as well as unauthorized read access to a subset of Oracle Business Intelligence Enterprise Edition accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Which versions are affected by CVE-2023-21891?

It affects 1 product.

Products include Oracle Business Intelligence.

How do I fix CVE-2023-21891?

No fix has been published for CVE-2023-21891 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-2023-21891 being exploited?

There is no known exploitation of CVE-2023-21891 in the wild and no public exploit code.

All Oracle Business Intelligence vulnerabilities

Sources

Also known as GHSA-282f-787m-2r6r.