Unrated severityOSV Advisory· Published Jan 15, 2026· Updated Apr 7, 2026
Cotonti Siena 0.9.19 - 'maintitle' Stored Cross-Site Scripting
CVE-2021-47808
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
4- www.exploit-db.com/exploits/50016mitreexploit
- www.vulncheck.com/advisories/cotonti-siena-maintitle-stored-cross-site-scriptingmitrethird-party-advisory
- cotonti.commitreproduct
- www.cotonti.com/download/mitreproduct
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