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TI-2025-35043 Aliases CVE-2025-55574GHSA-55v6-3g97-7rjq

Cross Site Scripting vulnerability in docmost v.0.21.0 and before allows an attacker to execute arbitrary code

Priority LOW 35CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Cross Site Scripting vulnerability in docmost v.0.21.0 and before allows an attacker to execute arbitrary code

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00284 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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

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:docmost:docmost:*:*:*:*:*:*:*:*up to 0.21.0Vulnerabledocmost
  • cpe:2.3:a:docmost:docmost:*:*:*:*:*:*:*:* Versions up to 0.21.0 Vulnerable ·docmost

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-55574
  2. 2026-10-03 Alias added: GHSA-55v6-3g97-7rjq

References

Other 1

  • TI-2026-17859 Docmost affected by an Arbitrary File Write via Zip Import Feature (ZipSlip) CVSS 3.1CRITICAL 9.8
  • TI-2026-19373 Docmost Affected by Stored XSS in Public Share Page CVSS 3.1HIGH 7.3
  • TI-2026-19029 Docmost is vulnerable to stored Cross-Site Scripting (XSS) through Mermaid rendering CVSS 4.0MEDIUM 6.3
  • TI-2026-26508 Docmost has cross-page attachment overwrite via flawed attachmentId overwrite validation CVSS 3.1MEDIUM 5.4
  • TI-2026-26507 Docmost page content has stored XSS via unsanitized attachment URLs CVSS 3.1MEDIUM 5.4
  • TI-2026-29581 Docmost: XSS in Comments with JavaScript URI CVSS 3.1MEDIUM 5.4
See all 8 →

Sources

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