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TI-2026-41863 Aliases CVE-2026-58144GHSA-7h9c-8pxh-fg6v

Cotonti Siena 0.9.26 Stored XSS via PFS Module ntitle Parameter

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
None · None · 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 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a folder with a crafted title containing script tags that are stored unescaped in the database and execute in the browser of any user who views the folder listing, including administrators.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00226 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
CotontiCotontiup to 0.9.26—No fix listedCNA
  • Cotonti VendorCotonti Affected up to 0.9.26 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-58144
  2. 2026-10-03 Alias added: GHSA-7h9c-8pxh-fg6v

References

  • TI-2026-62074 Cotonti 1.0.0 Comments Plugin PHP Object Injection via ci Parameter CVSS 4.0CRITICAL 9.3
  • TI-2026-63195 Cotonti through 1.0.0 Predictable Password Recovery Token via Weak PRNG CVSS 4.0CRITICAL 9.2
  • TI-2026-41862 Cotonti Siena 0.9.26 CSRF via admin.php Config Update Endpoint CVSS 4.0HIGH 8.7
  • TI-2026-84359 Predictable tokens in Cotonti let attackers bypass email verification CVSS 4.0MEDIUM 6.3
  • 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
See all 26 →

Sources