CVE-2026-87791: Path traversal vulnerability in WordPress theme design-scuole-wordpress-theme

Severity: high (CVSS 8.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-15 · updated 2026-09-18
Weakness: CWE-22

Description

A path traversal vulnerability exists in the reserved_file_check function of the functions.php file in the WordPress Design Scuole Italia theme. The vulnerability allows an unauthenticated attacker to download arbitrary files accessible by the web server process.

Affected products

Developers Italia design-scuole-wordpress-theme: from 2.6.0 through 2.18.1

References

https://github.com/italia/design-scuole-wordpress-theme
https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-nel-tema-wordpress-design-scuole-italia-

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