HTML Injection and Open Redirect in Design Scuole Italia Theme by WordPress
CVE-2026-89307

5.1MEDIUM

Key Information:

Vendor

WordPress
Status
Design-scuole-WordPress-theme
Vendor
CVE Published:
15 September 2026

What is CVE-2026-89307?

The Design Scuole Italia theme's 'Firma Circolare' feature is susceptible to an HTML injection vulnerability that allows authenticated attackers to manipulate the sign parameter. This exploitation can redirect users to arbitrary URLs controlled by the attacker, posing serious risks to website visitors and integrity. Prompt mitigation is essential to safeguard user data and maintain website security.

Affected Version(s)

design-scuole-wordpress-theme 1.0 <= 2.17.3

References

https://github.com/italia/design-scuole-wordpress-theme
product
https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-n...
government-resource

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lorenzo Zarfati
CSIRT-IT
.