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TI-2026-51859 Aliases CVE-2026-73827GHSA-p9g2-m7rg-67r7

Cross-site scripting in Tsuyoshi Saito SOY Calendar

Priority LOW 22CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
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

SOY Calendar contains a cross-site scripting vulnerability. An arbitrary script may be executed on the web browser of the user who is logging in to the product.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00236 14th 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
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
Tsuyoshi SaitoSOY Calendarup to 2.4.0—No fix listedCNA
  • SOY Calendar VendorTsuyoshi Saito Affected up to 2.4.0 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-2026-73827
  2. 2026-10-03 Alias added: GHSA-p9g2-m7rg-67r7

References

  • TI-2026-54285 Deserialization of untrusted data in Tsuyoshi Saito SOY CMS CVSS 4.0CRITICAL 9.3
  • TI-2026-54414 Cross-site scripting in Tsuyoshi Saito SOY Gallery CVSS 4.0MEDIUM 4.8
  • TI-2026-54205 Cross-site scripting in Tsuyoshi Saito SOY Calendar CVSS 4.0MEDIUM 4.8

Sources