CVE-2026-5696 Multiple vulnerabilities in the Microweber administration panel
Reflected XSS in Microweber admin panel allows attackers to execute scripts, steal data, or hijack sessions of authenticated users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-5696?
CVE-2026-5696 is a medium-severity cross-site scripting vulnerability in Microweber Administration panel, published on 23 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Reflected Cross-Site Scripting (XSS) in Microweber. The vulnerability lies in the ‘group’ parameter of the ‘/admin/settings’ endpoint in the administration panel. A successful exploit allows an attacker to trick an authenticated user into executing malicious JavaScript code in their browser. This enables the attacker to perform actions without the victim’s consent, steal confidential information or hijack the user’s session.
Weakness: CWE-79
Which versions are affected by CVE-2026-5696?
How do I fix CVE-2026-5696?
No fix has been published for CVE-2026-5696 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-2026-5696 being exploited?
There is no known exploitation of CVE-2026-5696 in the wild and no public exploit code.
Sources
Also known as GHSA-vvj3-3h3h-g964.