CVE-2020-9056 Periscope BuySpeed version 14.5 is vulnerable to stored cross-site scripting
An authenticated attacker can inject malicious scripts into Periscope BuySpeed, leading to session hijacking or data theft for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-9056?
CVE-2020-9056 is a low-severity cross-site scripting vulnerability in Periscope Holdings BuySpeed, published on 10 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Periscope BuySpeed version 14.5 is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to store arbitrary JavaScript within the application. This JavaScript is subsequently displayed by the application without sanitization and is executed in the browser of the user, which could possibly cause website redirection, session hijacking, or information disclosure. This vulnerability has been patched in BuySpeed version 15.3.
Weakness: CWE-79
Which versions are affected by CVE-2020-9056?
It affects 1 product.
Products include Periscopeholdings Buyspeed.
How do I fix CVE-2020-9056?
No fix has been published for CVE-2020-9056 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-2020-9056 being exploited?
There is no known exploitation of CVE-2020-9056 in the wild and no public exploit code.
Sources
Also known as GHSA-wjv4-hrhp-xqqp.