CVE-2021-20734 Cross-site scripting in Welcart e-Commerce
Remote attackers can inject arbitrary scripts into Welcart e-Commerce, potentially leading to session hijacking or malicious actions.
- 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-2021-20734?
CVE-2021-20734 is a medium-severity cross-site scripting vulnerability in Collne Inc. Welcart e-Commerce, published on 22 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 vulnerability in Welcart e-Commerce versions prior to 2.2.4 allows remote attackers to inject arbitrary script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2021-20734?
It affects 1 product.
Products include Welcart Welcart E-Commerce.
How do I fix CVE-2021-20734?
No fix has been published for CVE-2021-20734 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-2021-20734 being exploited?
There is no known exploitation of CVE-2021-20734 in the wild and no public exploit code.
Other vulnerabilities in Collne Inc. Welcart e-Commerce
- CVE-2023-5952 Welcart e-Commerce < 2.9.5 - Unauthenticated PHP Object Injection
- CVE-2024-42404 SQL injection in Welcart e-Commerce
- CVE-2023-5953 Welcart e-Commerce < 2.9.5 - Subscriber+ Arbitrary File Upload
- CVE-2023-43610 SQL injection in Welcart e-Commerce
- CVE-2022-4237 Welcart e-Commerce < 2.8.6 - Subscriber+ PHAR Deserialisation
Sources
Also known as GHSA-m59w-q74p-9vg2.