CVE-2020-20640 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in victim browsers via XSS in ECShop, potentially leading to session hijacking or data theft.
- 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-2020-20640?
CVE-2020-20640 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Jun 2021. 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
Cross Site Scripting (XSS) vulnerability in ECShop 4.0 due to security filtering issues, in the user.php file, we can use the html entity encoding to bypass the security policy of the safety.php file, triggering the xss vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2020-20640?
It affects 1 product.
Products include Shopex Ecshop.
How do I fix CVE-2020-20640?
No fix has been published for CVE-2020-20640 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-2020-20640 being exploited?
There is no known exploitation of CVE-2020-20640 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v739-645c-vfcr.