Read the docs
TI-2021-12235 Aliases CVE-2021-32561GHSA-vcx4-fpmp-mvv6

OctoPrint before 1.6.0 allows XSS because API error messages include the values of input parameters.

Priority LOW 30CWE-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
Fixed

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

Summary

OctoPrint before 1.6.0 allows XSS because API error messages include the values of input parameters.

Why it matters now

EPSS 0.01148 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed OctoPrint (PyPI): 1.6.0

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
—OctoPrint (PyPI)before 1.6.01.6.0Patch availableGHSA-vcx4-fpmp-mvv6
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • OctoPrint (PyPI) Vendor— Affected before 1.6.0 Fixed in 1.6.0 Patch available GHSA-vcx4-fpmp-mvv6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:octoprint:octoprint:*:*:*:*:*:*:*:*before 1.6.0VulnerableOctoPrint
  • cpe:2.3:a:octoprint:octoprint:*:*:*:*:*:*:*:* Versions before 1.6.0 Vulnerable ·OctoPrint

Remediation

  • Fix · GHSA-vcx4-fpmp-mvv6 OctoPrint (PyPI) Fixed in 1.6.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32561
  2. 2026-10-03 Alias added: GHSA-vcx4-fpmp-mvv6

References

Exploit 1

Advisory 3

Other 4

  • TI-2022-02830 Improper Privilege Management in octoprint/octoprint CVSS 3.1HIGH 8.8
  • TI-2022-03320 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in octoprint/octoprint CVSS 3.1MEDIUM 6.0
  • TI-2022-02664 Unrestricted Upload of File with Dangerous Type in octoprint/octoprint CVSS 3.1MEDIUM 5.4
  • TI-2025-35988 OctoPrint is Vulnerable to RCE Attacks via Unsanitized Filename in File Upload CVSS 4.0HIGH 7.5
  • TI-2024-18796 OctoPrint XSS via the "Snapshot Test" feature in Classic Webcam plugin settings CVSS 3.1MEDIUM 4.8
  • TI-2022-02678 Insufficient Session Expiration in octoprint/octoprint CVSS 3.1MEDIUM 4.4
See all 22 →

Sources

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