CVE-2020-2739 Cross-site scripting in WebCenter Sites

High 7.4 Published 15 Apr 2020 Updated 30 Sep 2024

An unauthenticated attacker can exploit a cross-site scripting vulnerability in Oracle WebCenter Sites to access critical data, requiring user interaction.

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

What is CVE-2020-2739?

CVE-2020-2739 is a high-severity cross-site scripting vulnerability in Oracle Webcenter Sites, published on 15 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: Advanced UI). The supported version that is affected is 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.0 Base Score 7.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N).

Which versions are affected by CVE-2020-2739?

It affects 1 product.

Products include Oracle Webcenter Sites.

How do I fix CVE-2020-2739?

No fix has been published for CVE-2020-2739 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-2020-2739 being exploited?

There is no known exploitation of CVE-2020-2739 in the wild and no public exploit code.

All Oracle Webcenter Sites vulnerabilities

Sources

Also known as GHSA-wh87-hp9m-h694.