CVE-2026-78364 MW WP Form < 5.1.6 - Editor+ Stored XSS via Inquiry Data List
Editors can inject malicious scripts into form settings, leading to stored XSS attacks against administrators in the MW WP Form plugin.
- 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-2026-78364?
CVE-2026-78364 is a low-severity cross-site scripting vulnerability in Unknown MW WP Form, published on 30 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The MW WP Form WordPress plugin before 5.1.6 does not sanitise and escape some of its form settings before outputting them back in an admin dashboard page, which could allow users with a role as low as Editor to perform Stored Cross-Site Scripting attacks against high privilege users such as admin.
Weakness: CWE-79
Which versions are affected by CVE-2026-78364?
How do I fix CVE-2026-78364?
No fix has been published for CVE-2026-78364 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-2026-78364 being exploited?
There is no known exploitation of CVE-2026-78364 in the wild and no public exploit code.
Sources
Also known as GHSA-88rf-74wh-96q8.