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    CVE-2026-116169

    SiYuan from 2.10.0 before 3.8.7 contains a stored cross-site scripting vulnerability that allows users with edit permission to inject script by placing javascript: URLs in math block content rendered with KaTeX trust enabled. Attackers can store \href, \url, or \includegraphics payloads that mathRender assigns via innerHTML, executing script in the application origin when a reader clicks the rendered link.

    Published:Oct 25, 2026
    Last Modified:Oct 29, 2026
    EPS:Oct 25, 2026
    EPSS Score:0.00205
    CVSS Score:5.4

    Affected Products

    Vendor
    B3log
    Product
    Siyuan
    Vendor
    Siyuan
    Product
    Siyuan

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-118680 (CVSS 5.9) — SiYuan 3.8.7 through 3.8.8 fails to normalize Windows GLOBALROOT device-namespace aliases, bypassing the IsSen…
    CVE-2026-116171 (CVSS 5.9) — SiYuan 3.5.4 before 3.8.7 on Windows contains a sensitive-path denylist bypass in IsSensitivePath because the …
    CVE-2026-116170 (CVSS 6.9) — SiYuan before v3.8.7 contains an sql injection vulnerability that allows admin-token holders to read history.d…
    CVE-2026-116168 (CVSS 6.9) — SiYuan before 3.8.7 contains a path traversal vulnerability in the MCP asset tool because validateAssetUploadP…
    CVE-2026-116167 (CVSS 7.6) — SiYuan from 2.9.0 before 3.8.7 contains a cross-site scripting vulnerability in the unauthenticated /check-aut…
    CVE-2026-116166 (CVSS 7.6) — SiYuan 3.6.0 before 3.8.7 accepts and persists the networkServeTLS setting but never enforces it, so the kerne…
    CVE-2026-109310 (CVSS 7.1) — SiYuan v3.1.12 before v3.8.6 fails to restrict the Sprig template function map in the /api/icon/getDynamicIcon…
    CVE-2026-109309 (CVSS 6.9) — SiYuan v3.7.0 before v3.8.6 contains an absolute path traversal vulnerability in the kernel's private plugin H…
    CVE-2026-105205 (CVSS 6.9) — SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn…
    CVE-2026-104410 (CVSS 8.7) — SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish readers to read passw…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High