CVE-2020-4304 Cross-site scripting in WebSphere Application Server Liberty

What is CVE-2020-4304?

CVE-2020-4304 is a medium-severity cross-site scripting vulnerability in Ibm Websphere Application Server, published on 2 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

IBM WebSphere Application Server - Liberty 17.0.0.3 through 20.0.0.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 176670.

Weakness: CWE-79

Which versions are affected by CVE-2020-4304?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2020-4304?

No fix has been published for CVE-2020-4304 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-2020-4304 being exploited?

There is no known exploitation of CVE-2020-4304 in the wild and no public exploit code.

Other vulnerabilities in Ibm Websphere Application Server

• CVE-2015-1920 Code injection in n/a Critical 10.0
• CVE-2013-0462 Other in n/a Critical 10.0
• CVE-2011-1377 Security feature bypass in n/a Critical 10.0
• CVE-2010-3186 Other in n/a Critical 10.0
• CVE-2009-1899 Information disclosure in n/a Critical 10.0

All Ibm Websphere Application Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xc6q-cvpj-g5ch.