HIGHVulnerability
CVE-2026-82653
SiYuan before v3.8.1 contains a stored cross-site scripting vulnerability in confirmDialog() where unescaped package names and notebook names are interpolated directly into innerHTML assignments. Attackers can submit malicious bazaar packages with HTML/script payloads in the name field that execute in users' browsers when uninstalling packages or unlocking encrypted notebooks.
Properties
- severity
- HIGH
- score
- 8.9
- epss_score
- 0.00223
- cve_id
- CVE-2026-82653
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
- published_at
- 2026-08-30T15:16:46.033
- last_modified
- 2026-09-02T16:17:26.503
- epss_percentile
- 0.12849
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
DESCRIBED_BY (1)
→[Source]NVD
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