CVE-2026-77838

Cross‑Site Scripting in SOY Calendar Allows Arbitrary Script Execution for Authenticated Users

Published Aug 28, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Saitodev
Saitodev soy Calendar
Vendors & Products Saitodev
Saitodev soy Calendar
Type Values Removed Values Added
Title Cross‑Site Scripting in SOY Calendar Allows Arbitrary Script Execution for Authenticated Users
Type Values Removed Values Added
Description 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.
Weaknesses CWE-79
References
Metrics cvssV3_0

{'score': 5.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Aug 28, 2026, 4:12 PM
Reserved
Aug 24, 2026, 4:26 AM
Status
Deferred
Published
Aug 28, 2026, 8:16 AM
Modified
Aug 28, 2026, 8:19 PM