CVE-2021-47808 MEDIUM

CVE-2021-47808: Cotonti Siena 0.9.19 - 'maintitle' Stored Cross-Site Scripting

Vendor Cotonti.com
Product Cotonti Siena
Weakness CWE-79 · XSS
Published January 15, 2026
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

Cotonti Siena 0.9.19 contains a stored cross-site scripting vulnerability in the admin configuration panel's site title parameter. Attackers can inject malicious JavaScript code through the 'maintitle' parameter to execute scripts when administrators view the page.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
April 7, 2026 Record updated