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TI-2022-18835 Aliases CVE-2022-39840GHSA-679x-5396-mpwf

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message (DM).

Priority LOW 23CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message (DM).

Why it matters now

EPSS 0.00495 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cotonti:cotonti_siena:0.9.20:*:*:*:*:*:*:*0.9.20VulnerableCotonti
  • cpe:2.3:a:cotonti:cotonti_siena:0.9.20:*:*:*:*:*:*:* Versions 0.9.20 Vulnerable ·Cotonti

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-39840
  2. 2026-10-03 Alias added: GHSA-679x-5396-mpwf

References

Exploit 1

  • 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-2021-22424 Cotonti Siena 0.9.19 - 'maintitle' Stored Cross-Site Scripting CVSS 4.0MEDIUM 5.1
  • 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-2022-18834 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