CVE-2026-4770 DOM-Based XSS in TR7's WAF-ASP
An attacker can execute arbitrary scripts in the victim's browser via DOM-based XSS in the TR7 WAF-ASP, potentially leading to session hijacking or data theft.
- 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-2026-4770?
CVE-2026-4770 is a medium-severity cross-site scripting vulnerability in TR7 Cyber Defense Inc. WAF-ASP, published on 2 Jul 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in TR7 Cyber Defense Inc. Web Application Firewall allows DOM-Based XSS.
This issue affects Web Application Firewall: from v1.0.42.239 before v1.4.0.117.
Weakness: CWE-79
Which versions are affected by CVE-2026-4770?
How do I fix CVE-2026-4770?
No fix has been published for CVE-2026-4770 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-2026-4770 being exploited?
There is no known exploitation of CVE-2026-4770 in the wild and no public exploit code.
Sources
Also known as GHSA-w8ww-7f32-x6g5.