PT-2026-88951 · Git+1 · Siyuan

CVE-2026-87813

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Published

2026-09-09

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Updated

2026-09-09

CVSS v3.1

7.3

High

VectorAV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in the Search Assets result list where asset filenames are interpolated into HTML without escaping. Authenticated attackers can craft asset filenames containing malicious markup that executes JavaScript in the victim's browser when searching assets, enabling same-origin API requests and application state manipulation.

Exploit

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-87813
GHSA-QCW6-QM34-28H8

Affected Products

Siyuan