CVE-2017-5197 Silverstripe CMS XSS Vulnerability

What is CVE-2017-5197?

CVE-2017-5197 is a medium-severity cross-site scripting vulnerability in Silverstripe Silverstripe, published on 6 Mar 2017. 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

There is XSS in SilverStripe CMS before 3.4.4 and 3.5.x before 3.5.2. The attack vector is a page name. An example payload is a crafted JavaScript event handler within a malformed SVG element.

Weakness: CWE-79

Which versions are affected by CVE-2017-5197?

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

Products include Silverstripe Silverstripe.

How do I fix CVE-2017-5197?

Upgrade silverstripe/cms to a fixed version for your release line: 3.4.4 or 3.5.2.

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-2017-5197 being exploited?

There is no known exploitation of CVE-2017-5197 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-xmjh-wjc5-wg4h.