CVE-2025-31366
An Improper Neutralization of Input During Web Page Generation vulnerability [CWE-79] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSASE 25.2.a may allow an unauthenticated attacker to perform a reflected cross site scripting (XSS) via crafted HTTP requests.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 4.5
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C
- EPSS probability
- 0.40%
- CWE
- CWE-79
- Published
- 2025-10-14
- Last modified
- 2026-08-11
Affected products
- Fortinet FortiProxy
- Fortinet FortiProxy
- Fortinet FortiProxy
- Fortinet FortiProxy
- Fortinet FortiSASE
- Fortinet FortiOS
- Fortinet FortiOS
- Fortinet FortiOS
Weakness type
Related vulnerabilities
- CVE-2026-78252 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
- CVE-2026-54694 — NationalSecurityAgency/skills-service has Stored XSS via User Registration Enabling Admin Account Takeover
- CVE-2026-88866 — WWBN AVideo LoginControl Stored XSS via User-Agent Header
- CVE-2026-90943 — parallax filament-comments through 3.0.0 Stored XSS via Comment Body
- CVE-2026-90561 — Strapi 4.x through 4.26.2 and 5.x before 5.48.1 Stored XSS via WYSIWYG
- CVE-2026-89256 — AVideo Bookmark Plugin Stored XSS via Chapter Names
- CVE-2026-89255 — AVideo LoginControl Stored XSS via PGP Public Key
- CVE-2026-89254 — AVideo CustomizeUser Stored XSS via field_name Parameter