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TI-2021-22424 Aliases CVE-2021-47808GHSA-gqqp-x5qv-896x

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

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00271 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
cotonti.comCotonti Siena0.9.19—No fix listedCNA
  • Cotonti Siena Vendorcotonti.com Affected 0.9.19 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cotonti:cotonti_siena:0.9.19:-:*:*:*:*:*:*0.9.19VulnerableCotonti
  • cpe:2.3:a:cotonti:cotonti_siena:0.9.19:-:*:*:*:*:*:* Versions 0.9.19 Vulnerable ·Cotonti

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47808
  2. 2026-10-03 Alias added: GHSA-gqqp-x5qv-896x

References

Exploit 1

Other 2

  • TI-2025-28591 A vulnerability has been found in Cotonti Siena v0.9.25. CVSS 3.1MEDIUM 5.4
  • TI-2024-16007 A stored cross-site scripting (XSS) vulnerability in the Edit Page function of Cotonti… CVSS 3.1MEDIUM 5.4
  • TI-2013-04200 SQL injection vulnerability in modules/rss/rss.php in Cotonti before 0.9.14 allows remote… CVSS 2.0HIGH 7.5
  • TI-2022-18835 Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message (DM). CVSS 3.1MEDIUM 4.8
  • TI-2022-18834 Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a forum post. CVSS 3.1MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences