CVE-2025-40674 Reflected Cross-Site Scripting (XSS) in osCommerce
Attackers can execute JavaScript in victims' browsers via malicious URLs, potentially stealing session cookies or performing actions on behalf of users.
- 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-2025-40674?
CVE-2025-40674 is a medium-severity cross-site scripting vulnerability in osCommerce, published on 17 Jun 2025. 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
Reflected Cross-Site Scripting (XSS) in osCommerce v4. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL using the name of any parameter in /watch/en/about-us. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.
Weakness: CWE-79
Which versions are affected by CVE-2025-40674?
How do I fix CVE-2025-40674?
No fix has been published for CVE-2025-40674 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-2025-40674 being exploited?
There is no known exploitation of CVE-2025-40674 in the wild and no public exploit code.
Sources
Also known as GHSA-5fqq-j3v5-v823.