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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00031.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
cotonti.com Cotonti Siena affected
Version Status Constraints
0.9.19 affected —

Configuration 1 [-]

cpe:2.3:a:cotonti:cotonti_siena:0.9.19:-:*:*:*:*:*:*

No data.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cotonti.com cve-icon cve-icon
https://www.cotonti.com/download/ cve-icon cve-icon
https://www.exploit-db.com/exploits/50016 cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/cotonti-siena-maintitle-stored-cross-site-scripting cve-icon cve-icon
History

Mon, 02 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

 cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Fri, 30 Jan 2026 01:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:cotonti:cotonti_siena:0.9.19:-:*:*:*:*:*:*

Fri, 16 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 16 Jan 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Cotonti
Cotonti cotonti Siena
Vendors & Products Cotonti
Cotonti cotonti Siena

Thu, 15 Jan 2026 23:45:00 +0000

Type Values Removed Values Added
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.
Title Cotonti Siena 0.9.19 - 'maintitle' Stored Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-02T15:58:16.991Z

Reserved: 2026-01-14T14:39:44.740Z

Link: CVE-2021-47808

cve-icon Vulnrichment

Updated: 2026-01-16T15:52:14.372Z

cve-icon NVD

Status : Modified

Published: 2026-01-16T00:16:25.707

Modified: 2026-02-02T16:16:14.710

Link: CVE-2021-47808

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-16T13:42:20Z

Weaknesses