CVE-2019-19325 Reflected XSS in SilverStripe

What is CVE-2019-19325?

CVE-2019-19325 is a medium-severity cross-site scripting vulnerability in Silverstripe Silverstripe, published on 17 Feb 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

SilverStripe through 4.4.x before 4.4.5 and 4.5.x before 4.5.2 allows Reflected XSS on the login form and custom forms. Silverstripe Forms allow malicious HTML or JavaScript to be inserted through non-scalar FormField attributes, which allows performing XSS (Cross-Site Scripting) on some forms built with user input (Request data). This can lead to phishing attempts to obtain a user's credentials or other sensitive user input.

Weakness: CWE-79

Which versions are affected by CVE-2019-19325?

4 open source packages ship an affected version, including silverstripe/framework. It affects 1 product.

Products include Silverstripe Silverstripe.

How do I fix CVE-2019-19325?

Upgrade silverstripe/framework to a fixed version for your release line: 4.4.5 or 4.5.2.

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-2019-19325 being exploited?

There is no known exploitation of CVE-2019-19325 in the wild and no public exploit code.

Other vulnerabilities in Silverstripe Silverstripe

• CVE-2007-2321 Other in n/a Critical 10.0
• CVE-2019-12204 Missing warning can lead to unauthenticated admin access in SilverStripe Critical 9.8
• CVE-2019-5715 Silverstripe Framework SQLi Vulnerability Critical 9.8
• CVE-2019-12437 Silverstripe CSRF Protection Bypass via GraphQL High 8.8
• CVE-2020-6164 Silverstripe CMS information disclosure High 7.5

All Silverstripe Silverstripe vulnerabilities

Sources

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

Also known as GHSA-qvrv-2x7x-78x2.