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TI-2020-10243 Aliases CVE-2020-12882GHSA-2cpf-r6vv-ph3v

Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstrated by an…

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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

Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstrated by an attack by a Student against a Teaching Fellow.

Why it matters now

EPSS 0.01203 68th percentileScored 2026-11-07
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:rcos:submitty:*:*:*:*:*:*:*:*up to 20.04.01VulnerableRcos
  • cpe:2.3:a:rcos:submitty:*:*:*:*:*:*:*:* Versions up to 20.04.01 Vulnerable ·Rcos

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12882
  2. 2026-10-03 Alias added: GHSA-2cpf-r6vv-ph3v

References

Advisory 1

Other 1

  • TI-2023-23127 Submitty before v22.06.00 is vulnerable to Cross Site Scripting (XSS). CVSS 3.1MEDIUM 6.1
  • TI-2020-10313 Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt. CVSS 3.1MEDIUM 6.1
  • TI-2023-23128 Submitty before v22.06.00 is vulnerable to Incorrect Access Control. CVSS 3.1MEDIUM 5.3

Sources

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