CVE-2020-5266 Stored XSS on back office edit page
Attackers can inject malicious scripts via the title field in the link list block, potentially compromising back office sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-5266?
CVE-2020-5266 is a medium-severity cross-site scripting vulnerability in PrestaShop ps_linklist, published on 16 Apr 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In the ps_link module for PrestaShop before version 3.1.0, there is a stored XSS when you create or edit a link list block with the title field. The problem is fixed in 3.1.0
Weakness: CWE-79
Which versions are affected by CVE-2020-5266?
It affects 1 product.
Products include Prestashop Prestashop Link.
How do I fix CVE-2020-5266?
No fix has been published for CVE-2020-5266 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-2020-5266 being exploited?
There is no known exploitation of CVE-2020-5266 in the wild and no public exploit code.
Sources
Also known as GHSA-vr7g-vqp5-966j.