CVE-2026-89307 HTML injection allows open redirection in WordPress theme design-scuole-wordpress-theme
An authenticated attacker can inject HTML to redirect users to malicious sites via the sign parameter in the Design Scuole Italia WordPress theme.
- 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-2026-89307?
CVE-2026-89307 is a medium-severity vulnerability in Developers Italia design-scuole-wordpress-theme, published on 15 Sep 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
The "Firma Circolare" feature in the "Design Scuole Italia" WordPress theme allows an authenticated attacker to inject arbitrary HTML via the sign parameter, enabling forced redirection of visiting users to an attacker-controlled URL (Stored HTML Injection / Open Redirect).
Weakness: CWE-601
Which versions are affected by CVE-2026-89307?
How do I fix CVE-2026-89307?
No fix has been published for CVE-2026-89307 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-89307 being exploited?
There is no known exploitation of CVE-2026-89307 in the wild and no public exploit code.
Sources
Also known as GHSA-wfjc-xr6c-c6vw.