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

Published Jan 15, 2026
·
Updated

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.

Affected Software

2 affected components
Cotonti Siena
Cotonti Cotonti Siena=0.9.19

Event History

Jan 15, 2026
CVE Published
via MITRE·11:25 PM
Data Sourced
via MITRE·11:25 PM
DescriptionSeverityWeakness
Jan 16, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2021-47808?

CVE-2021-47808 is classified as a high severity cross-site scripting vulnerability.

2

How do I fix CVE-2021-47808?

To fix CVE-2021-47808, update Cotonti Siena to the latest version that addresses this vulnerability.

3

What is the impact of CVE-2021-47808?

The impact of CVE-2021-47808 is that it allows attackers to inject malicious JavaScript, potentially compromising user data and site integrity.

4

In which software is CVE-2021-47808 found?

CVE-2021-47808 is found in Cotonti Siena version 0.9.19.

5

Who is affected by CVE-2021-47808?

Any admin user of Cotonti Siena 0.9.19 can be affected by CVE-2021-47808 due to the vulnerability in the site title parameter.

Contact

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