EUVD-2026-67578
GHSA-crj8-8cwj-v6mf
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Low-privilege authentication required to inject payload; victim interaction required to trigger execution; scope changes to victim browser; no availability impact.
Primary rating from Vendor (jpcert).
CVSS VectorVendor: jpcert
Lifecycle Timeline
2DescriptionCVE.org
SOY Gallery 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.
AnalysisAI
Stored or reflected cross-site scripting in SOY Gallery, a web-based gallery application by Tsuyoshi Saito, allows an authenticated low-privilege attacker to inject arbitrary script that executes in the browser of any logged-in user who views the affected content. The CVSS scope-change metric (S:C) confirms the impact crosses from the attacker's session into the victim's browser context, enabling session hijacking or credential theft. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid low-privilege account on the target SOY Gallery installation (PR:L per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.4 Medium score accurately reflects the moderate real-world risk profile: network-reachable (AV:N) and low complexity (AC:L) are offset by the requirement for prior authentication (PR:L) and victim interaction (UI:R). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult the vendor advisory at https://saitodev.co/article/7105 and the JPCERT/CC coordination notice at https://jvn.jp/en/jp/JVN04485476/ for patch guidance; a specific fixed version is not confirmed in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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