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Vulnerability Intelligence

CVE-2021-47808

HIGH7.2

Cotonti Siena 0.9.19 - 'maintitle' Stored Cross-Site Scripting

Published Jan 15, 2026

Modified Yesterday

No fix available

Details

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.

References

WEBhttps://cotonti.com WEBhttps://www.cotonti.com/download/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-47808 DETECTIONhttps://www.exploit-db.com/exploits/50016 ADVISORYhttps://www.vulncheck.com/advisories/cotonti-siena-maintitle-stored-cross-site-scripting

CVSS Analysis

CVSS v4.0

5.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

LowPR:L

User Interaction

PassiveUI:P

Vulnerable System

Vuln. Confidentiality

LowVC:L

Vuln. Integrity

LowVI:L

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

LowSI:L

Subseq. Availability

NoneSA:N

5.1/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

Weakness Type (CWE)

Injection

Cross-site Scripting (XSS)

Ecosystems

Timeline

PublishedJan 15, 2026

ModifiedJan 15, 2026

CVE-2021-47808 | Mondoo Vulnerability Intelligence