CVE-2020-25102 silverstripe-advancedreports vulnerable to XSS
An attacker can inject malicious JavaScript via SVG documents in the report description field, potentially executing code in the admin interface.
- 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-2020-25102?
CVE-2020-25102 is a medium-severity cross-site scripting vulnerability in n/a, published on 3 Sep 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-advancedreports (aka the Advanced Reports module for SilverStripe) 1.0 through 2.0 is vulnerable to Cross-Site Scripting (XSS) because it is possible to inject and store malicious JavaScript code. The affects admin/advanced-reports/DataObjectReport/EditForm/field/DataObjectReport/item (aka report preview) when an SVG document is provided in the Description parameter.
Weakness: CWE-79
Which versions are affected by CVE-2020-25102?
2 open source packages ship an affected version, including silverstripe-australia/advancedreports. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
silverstripe-australia/advancedreports Packagist | From 1.0 to 2.0 | None |
silverstripe-australia/advancedreports Packagist | From 1.0 to 2.0 | None |
Products include Advanced Reports Project Advanced Reports.
How do I fix CVE-2020-25102?
No fix has been published for CVE-2020-25102 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-2020-25102 being exploited?
There is no known exploitation of CVE-2020-25102 in the wild and no public exploit code.
Sources
Also known as GHSA-8f2x-hv9r-mh9r.